Camel hump heads - The double hump heads work fine with the "old" cams. Not great with a 383. Will they work, YES, most definitely. Never said they wouldn't work. Today, well at least for me, the old camel humps are for someone building a "period correct" engine. Sounds like that is what you are trying to make it look like.

 
The double hump or "camel hump" casting marks can be found on a variety of small-block iron heads and designate a high-performance casting. Many heads with …. Ojos locos sports cantina downey firestone boulevard downey ca

item 4 OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1964 2.02 1.60 Fuelie OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1964 2.02 1.60 Fuelie $895.00 +$88.85 shippingCompatible with Camel Hump/Fuelie Heads Includes Grade 8 Hardware Pump Rotation : Standard (Not Included) Reverse Rotation (Included) Reverse Rotation (Included) Standard (Not Included) Standard (Not Included) Product information . Technical Details. Manufacturer ‎CVF Racing ...Sorry 462 camel hump casting hoarders, Trick Flow is bringing back an aluminum version of the classic camel or double hump heads for the Chevrolet small block. If you are not familiar with the ...The double hump heads were factory installed on all High Performance Fuel Injected and carbureted Chevrolet vehicles including Corvette, Camaro RS SS & Z-28, Chevelle Malibu, Chevy II Nova, Bel Air, & Impala. These heads will also interchange with other camel hump heads with casting numbers 461, 461X, 462, 291, 292, 186, 041, & 492.The Atlantic humpback dolphin is now "critically endangered." The list of endangered animals in Africa now has a new addition: the rare Atlantic humpback dolphin. The declining kno...The #462 has got the normal approx. 64cc chamber and the #461 (x) has got a bit smaller one with approx. 60,5cc. Just as Scooter said. So with the same pistons you get more compression (=power or problems... with the #461 (x) heads. Bryan, you said you´ve got #292 heads there.Oct 16, 2015 · “Fuelie” cylinder heads or “camel hump” heads were very popular in the 1960s but were not limited to a single casting number. There are at least six different casting numbers that are identified under the camel hump casting identifier. item 4 OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1964 2.02 1.60 Fuelie OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1964 2.02 1.60 Fuelie $895.00 +$88.85 shipping148 posts · Joined 2009. #1 · Jan 12, 2010. I recently called a reputable machine shop in my area about having my sbc camel hump heads upgraded for unleaded fuel and to install 2.02 valves. I asked about installing hardened seats at the exhaust valve and he said not to waste my money. This isn't a daily driver, in fact I haven't put 1000 ...Look for last 3 numbers, example 461, Casting number 3767462 identifies Camel Back heads on 327 engines in 1962 to 1967 GM models. Number 3782461 is found on heads on the 1964 to 1967 models equipped with the 327. Number 3917291 can be found on the 302, 327 and 350 engines in 1967 to 1969 models. Number 3927186 is …Chevy Small Block Alternator Bracket - Fuelie or Camel Hump Heads with Long Water Pump (LWP) (283, 302, 327, 305, 350 & 400 CID) Mid-mount Chevy small block alternator bracket for V-belt applications with Fuelie heads that do not have bolt holes in the front of the cylinder head. Designed for use with OEM or CVF Racing pulleys.Customers highly recommend the SBC 461 CAMEL HUMP Aluminum heads, lauding their superior power increase compared to the factory …The “double hump” or “fuelie” heads have been around since the 1960’s. They are still used in a variety of applications. We have a good supply of used ‘186 & ‘492 heads available …In '65-'68 the 275 HP 327's I remember had Camel Hump heads . First Posted to TC as Ole Birkland in Feb 1999 Aces 3383 1969 Chevelle SS396, L78, M22, KK 4.10 posi, F41, Blue Light Stereo, Tilt Column, Burgundy/Maroon w/Red Stripe, Black Bench Seat, PS, PDB, American Torque Thrust & BFG TA's, fully restored.How to identify camel hump (aka double hump) small block chevy heads. Ryan Krizan. 224 subscribers. 161K views 15 years ago. ...more. This video shows you how to identify camel hump...How to identify camel hump (aka double hump) small block chevy heads. Ryan Krizan. 224 subscribers. 161K views 15 years ago.Dear Lifehacker,Camel Hump Heads. « on: March 21, 2009, 12:18:00 AM ». I have a set of 1.94 Camel Hump heads from 1967 327 engine. I am thinking of getting these machined out to 2.02's and using them on a freshly built 350. I will be running a Holley 650cfm carb and an air gap intake with an additional 2" throttle body spacer.Nov 3, 2016 · Sorry 462 camel hump casting hoarders, Trick Flow is bringing back an aluminum version of the classic camel or double hump heads for the Chevrolet small block. If you are not familiar with the ... Originally sold bare, so valve sizes are dependent on machining. All 400ci small-blocks utilize Siamese cylinder walls. This design caused the cooling system to develop hot spots and that is why the 400 heads have steam holes. 25534351C: 2004 Bow Tie, cast-iron, Vortec, 175cc intake ports, 65cc exhaust ports, 2.02/1.55-inch valves.28 posts · Joined 2008. #1 · Dec 18, 2008. I've got a bare set of camel hump heads with casting number 3782461 and 1.94 valves. They are not drilled in the front for brackets and have no cracks. I bought these heads in 1987 for a song and I've kept them for all this time planning to use them one day. I keep reading about all the great new ...I've recently hopped over the initial hump of getting myself exercising regularly, but I'm having trouble finding a balance between pushing myself too hard and not...A cracked engine head is such a serious mechanical problem that it can severely impact a car's ability to perform properly or even to run at all. In fact, it can cause you headache...28 posts · Joined 2008. #1 · Dec 18, 2008. I've got a bare set of camel hump heads with casting number 3782461 and 1.94 valves. They are not drilled in the front for brackets and have no cracks. I bought these heads in 1987 for a song and I've kept them for all this time planning to use them one day. I keep reading about all the great new ...Oct 19, 2009 · steve70malibu. According to my information, 461X was the best of all the camel hump heads but are very rare. Next comes the 492 castings, next the 461, then 186, then 041s which are not camel humps but have the same design. I have a print out from a website that lists all sb heads and information on all of them. The original heads used on the L79 are the same as the L76 and L84, the famed “Camel Hump” 461 castings with 2.02”/1.60” valves. Keep in mind that most 461 double-hump heads have 1.94”/1.50” valves, only the select few used on L79, L76, and L84 engines had the larger valves.Back to your original question, most people call the "camel hump" heads fuelies but as stated before, only the 461 were true fuelies. There are several closed chambered heads with different casting numbers and markings that will perform as well and a original fuelie head. You need to get the last 3 numbers from the casting numbers and …VERY FEW Camel hump heads came from the factory with 2.02 x 1.65 valves. Many of the heads listed were available with both sizes, but only the high horsepower solid lifter type engines got the 2.02's. ... Double hump heads have the humps or "bumps" cast into the end of the heads. The early ones had two large humps …Oct 13, 2020 · Re: camel hump vs vortec. by ProPower engines » Tue Oct 13, 2020 7:50 pm. No comparison. The vortec heads are better in every way unless you have free double bump heads and have to pay for the vortec's. If you flow the early GM heads and flow the vortec heads and compare the numbers. The big difference is in the chamber shape. There's going to be a storm of deals and the market will not be able to handle it without taking the whole table lower....PVH Could jeans destroy the stock market's uptrend? Co...36 posts · Joined 2002. #9 · Mar 27, 2005. i am running the double hump heads, slightly ported and polished with an rpm air gap intake and the xe274 cam. noticable lumpy idle but not too bad...combination works very well and power comes on around 2500 rpm and pulls hard well past 6000. would recommend the combination to anyone...you … Made from premium grade, lightweight A356-T61 aluminum, DHC™ 175 heads feature the exterior styling and straight spark plug holes that deliver the nostalgic appearance of the original factory performance 186, 291,461,462 "double hump" or "camel back" castings that customers want. item 8 OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1964 2.02 1.60 Fuelie OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1964 2.02 1.60 Fuelie $895.00 +$88.85 shipping148 posts · Joined 2009. #1 · Jan 12, 2010. I recently called a reputable machine shop in my area about having my sbc camel hump heads upgraded for unleaded fuel and to install 2.02 valves. I asked about installing hardened seats at the exhaust valve and he said not to waste my money. This isn't a daily driver, in fact I haven't put 1000 ...They actually ran very well. The 327-300 engine used the double hump heads, with larger 1.94" and 1.5" valve size, larger port intake manifold with larger Carter AFB carb, and larger dump ram's horn exhaust manifolds. The basic shortblocks of the two 327s were basically the same. More than likely your block number is 870.SBC Head shoot out Part 2Heres one for the Old school boys!Stock Vortec Heads VS Stock Camel Humps Vs Ported 2.02 Camel Humps!Very good info, Real flow data!...The children who would most benefit from quality early education are also the ones who tend to miss school the most. But there's a silver lining. Head Start, the childcare program ...Any camel hump head is a candidate for a street engine build. But the key is what you have to spend to make them useable. A lot of them are cracked in the exhaust seat area. If you find a set of original stock heads, you'll need a valve job, exhaust seats, valve guides - maybe screw in studs/guide plates.Hello, I have the following: 462 camel hump heads. 355 C.I. small block chevy. flat top pistons, 10:1 compresion ratio. camshaft: 106 degree LSA, 250 degree duration at .050". 165-180 cranking PSI in all cylinders. Quadrajet, stock intake, exhaust and heads, no porting (it is on a circle track street stock and those are the rules).Oct 1, 2006 · The double hump or "camel hump" casting marks can be found on a variety of small-block iron heads and designate a high-performance casting. Many heads with the double-hump mark were installed on ... Feb 28, 2020 · Chevy SBC V8 Bare Aluminum Camel Double Hump 461 Cylinder Head - https://www.speedwaymotors.com/Chevy-SBC-V8-Bare-Aluminum-Camel-Double-Hump-461-Cylinder-Hea... Oct 13, 2020 · Re: camel hump vs vortec. by ProPower engines » Tue Oct 13, 2020 7:50 pm. No comparison. The vortec heads are better in every way unless you have free double bump heads and have to pay for the vortec's. If you flow the early GM heads and flow the vortec heads and compare the numbers. The big difference is in the chamber shape. Chevy Small Block Alternator Bracket - Fuelie or Camel Hump Heads with Long Water Pump (LWP) (283, 302, 327, 305, 350 & 400 CID) Mid-mount Chevy small block alternator bracket for V-belt applications with Fuelie heads that do not have bolt holes in the front of the cylinder head. Designed for use with OEM or CVF Racing pulleys.Sometimes we all need to rest our weary head, take pause and simply sit for a moment. It may not look pretty. We may look a mess. But, we are... Edit Your Post Published by Hang in...Learn about the origin, evolution and popularity of the double-hump or camel-back cylinder heads for small-block Chevy engines. Find out how to identify, restore and upgrade these classic …Camel back, double hump,fuelie heads, are all names for 461,462 & 291 head castings, and I think they WILL work on a 305. If I'm not mistaken, they would lower your compression ratio, though. I think 305 heads have 58CC combustion chambers, and the above named heads have 62-65 CC combustion chambers. I woud imagine that the intake runners on ...Nov 30, 2021 · I started a build of a SJ 327 block with an older aftermarket 3.48” SJ crank. I was going to run it in my 57 with ported aluminum speedway motors camel hump heads, modified to take a staggered valve cover, and a heavily worked factory intake. I was hoping to squeak into the 12s with it. all news. Original Camel Hump Heads. I just finished up machining two sets of heads for a customer replicating camel hump heads for a Camaro restoration. He wanted high …Period. In 1964, when the solid lifter 327s were increased to 365hp (Holley) and 375hp (FI), the double hump heads got the 2.02/1.6 valves and the 300hp/327s retained the 1.94/1.5 valves (the 250hp base engine got the pyramid heads with 1.72/1.5 valves, no good!). These first "fuelie" heads were 3782461 castings and some 461s got …The very FIRST double hump, camel hump, FI, "fuelie" (whatever you want to call it) head was installed on the 1961 315hp/283 Corvette fuel injected engine. THAT WAS THE ONLY ENGINE (at that time) TO GET THE HEADS WITH THE NOW FAMOUS 2 HUMPS on the ends of the head. SOOOOOOOOOOOOOOOOO, guess where the "fuelie" term originated.they have the camel hump are they like the 186's ? thanks for the help a buddy has a set sitting in the corner of the garage and he wants $150 for them. just want some info on them first. ... 3973370 heads were used on 69/70 Chev or pontiac 350/300HP engines, at least in Canada they were. Basically same head as the 186.The double hump or "camel hump" casting marks can be found on a variety of small-block iron heads and designate a high-performance casting. Many heads with the double-hump mark were... Features like fast-burn combustion chambers, high-velocity ports, large diameter valve springs, and positive stop valve seals bring the vaunted camel hump heads into the 21st Century. Save yourself the hassles of hunting down original GM 3782461, 3782461X or 3890462 castings, only to find out they can't be saved. item 4 OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1964 2.02 1.60 Fuelie OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1964 2.02 1.60 Fuelie $895.00 +$88.85 shippingUnicorns are beautiful but fragile. Camels are survivors. The education technology industry is having a moment. When Covid-19 lockdowns sent 1.7 billion learners home, leaving teac...As already mentioned by others, there are better heads available now. Certainly Chevy's later performance heads are better, but the BEST performance SB heads are aftermarket versions. The first version of the double hump heads was the 461, which was introduced in 1961 on the 315hp/283 fuel injected (ONLY) Corvette engine.3991492. Jump to Latest Follow. 30K views 10 replies 7 participants last post by 2drpostL79 Aug 23, 2009. G. gregmontgomery Discussion starter. 203 posts · Joined 1999. #1 · May 18, 2009. can anyone give any info. on these heads .3991492 is the numbers are these good performance heads.thanks. Like.Are you saying that the performance of my engine will not be as good by using 202/160 camel heads on the 283 bored 80 over. Im just looking to get about 300-350hp, that will be good enough for me. 84 Z28 Camaro Convertible 283 bored 80 over, 202/160camel hump heads, Edelbrock RPM Maniford, Holley 670 Avenger Carb, …The problem with adding bigger fuelie style cylinder heads like the 461 or 462 is that, while these heads increase airflow over a stock 283 head, this also increases the combustion chamber volume. Those double-hump heads generally have 64cc chambers. The stock 283 used a 58cc chamber.A controversial display of “shrunken heads,” or tsantsa, made by the Shuar and Achuar people of Ecuador and South America have been removed from Oxford’s Pitt Rivers Museum. After ...I researched the best head-porting tactics for small-block Chevy double-hump heads, and iron big-block Chevy rectangle-port heads. A quick search educated me that a set of later model Vortec heads are a better option. Additionally, I found a wealth of info on the steps necessary to improve the Vortec with minimal porting. As one online ...The Vortec heads do flow better than the camel backs heads. The only thing is that with the added cost of an intake and valve covers, the swap can get to the cost of a set of Dart or RHS heads. RHS also offers their Pro-torker line of heads that are the same 170cc intake runners, but with the old bolt patterns !Re: camel hump vs vortec. by ProPower engines » Tue Oct 13, 2020 7:50 pm. No comparison. The vortec heads are better in every way unless you have free double bump heads and have to pay for the vortec's. If you flow the early GM heads and flow the vortec heads and compare the numbers. The big difference is in the chamber shape.Casting 492 small valve size 1.94/1.50 with 64cc chamber. Very good condition fresh valve job. Price is negotiable for sale of both.Im trying to find out if these would be good heads for a 350 buildup. the 461 heads are very nice heads, but the vortec is a little better performance wise. comp. varies depending upon head gasket used and how far down in the hole your pistons are, and if flat top or domed or dished. sam-missle. Like. D.Free Shipping - Trick Flow® DHC™ 175 Cylinder Heads for Small Block Chevrolet with qualifying orders of $109. Shop Cylinder Heads at Summit Racing. $5 Off Your $100 Mobile App Purchase - Get the App. ... 291,461,462 "double hump" or "camel back" castings that customers want. To keep with the vintage design, the heads are available with 69 ...As the decade wound down, the camel hump heads continued to endure with subtle tweaks for power improvements. After 1969 these were made with accessory bolt holes and 64cc combustion chambers. Like the previous camel hump heads, casting number 3927186 was offered in both small and large valve packages.Chevy Corvette 3782461 Cylinder Heads SBC Camel Double Hump Ported Fuelie. Opens in a new window or tab. Fresh vintage Crane Cams Super Port Flow Fireball heads. Remanufactured. $2,463.67. nextgenmotorsports (427) 100%. or Best Offer +$137.55 shipping. 42 watchers.Step back in time with our modern reproduction of the iconic Chevy 461 double hump cylinder heads, now cast in lightweight aluminum! In this video, Joe and Wyatt discuss the features that bring the vaunted camel hump heads into the 21st Century.Based on the iconic “double-hump” or “camel-back” (fuelie) cylinder heads of the ‘60s and early ‘70s—including the famed 461 Fuelie heads—the DHC 175 castings are modern aluminum versions with straight spark-plug locations and improved 60cc combustion chambers.Sorry 462 camel hump casting hoarders, Trick Flow is bringing back an aluminum version of the classic camel or double hump heads for the Chevrolet small block. If you are not familiar with the ...There are a few things to consider. The valve sizes and chamber volume are two. If they have 1.94" intake and 1.5" exhaust valves a 383 would probably benefit from 2.02" intakes and 1.6" exhausts. A lot of these heads had 64cc chambers and a 383 with flat top pistons will put the compression over 11:1. If you're running pump gas on the …This week, we add new valvetrain components to old “camel hump” cylinder heads. R.B. Las Vegas, NV. Q: I recently acquired a set of Chevy “camel hump” small block heads. I am putting in screw-in studs so I can use Harland Sharp roller rocker arms. Other than fitting the studs, do I need to do any machine work to the heads to use the ...Look for last 3 numbers, example 461, Casting number 3767462 identifies Camel Back heads on 327 engines in 1962 to 1967 GM models. Number 3782461 is found on heads on the 1964 to 1967 models equipped with the 327. Number 3917291 can be found on the 302, 327 and 350 engines in 1967 to 1969 models. Number 3927186 is …28 posts · Joined 2008. #1 · Dec 18, 2008. I've got a bare set of camel hump heads with casting number 3782461 and 1.94 valves. They are not drilled in the front for brackets and have no cracks. I bought these heads in 1987 for a song and I've kept them for all this time planning to use them one day. I keep reading about all the great …Anybody who builds hot small block Chevy engines these days will tell you not to bother modifying the old "double bump/double hump/camel hump" Chevy heads, 'cause there's dozens of new iron and aluminum replacements that work better right out of the box than any modified original... which is exactly why I want to run "real" mid '60's Chevy heads on my vintage '68 front engine dragster.ARP 247‑4202 Head Stud Kit for 1998-18 Dodge Cummins 24v Diesel 5.9L 6.7L. Find many great new & used options and get the best deals for SBC 3927186 186 1969 Camel Back Camel Hump 300hp or 350hp Heads at the best online prices at eBay! Free shipping for many products!We’ve come a long way from the Joe Camel commercials I remember watching as a kid on TV. As a culture, we’ve become a lot less tobacco friendly. Indoor smoking bans, stricter adver...The “double hump” or “fuelie” heads have been around since the 1960’s. They are still used in a variety of applications. We have a good supply of used ‘186 & ‘492 heads available with everything from “ Undercover Porting ” to CNC …Sometimes we all need to rest our weary head, take pause and simply sit for a moment. It may not look pretty. We may look a mess. But, we are... Edit Your Post Published by Hang in...There are a lot of castings to choose from when running the Chevy Double Hump heads. In this video we discuss what is the best casting to start with for you...Buy ICT Billet SBC LWP Alternator Bracket Double Hump Heads Adjustable Billet Kit Small Chevy 305 327 350 5.0L 5.7L V8 Eight Cylinder Long Water Pump Carburetor V Belt Compatible With ... Very nice kit and a must if you have camel hump heads. It mounts the alternator low and out of the way...." Read more. 18 customers …3991492 Camel hump heads on 307. Found a set of #3991492 heads on a local online board which Mortec shows as being 1970 camel humps with 2.02 valves 64cc chambers with acc. holes will these work better then my current heads which are 624's 76 cc chambers and i believe 1.94 valves .041s ARE double-humps. Some of the casting numbers you see the most are 461 (no bolt holes), 462, 492, 186, 041, 041X, 291 (no bolt holes), 292 (over-the-counter GM race head) Those used to be the heads we all ran, for years and years, back before CNC casting made possible the whole aftermarket head industry as we know it.Jan 13, 2021 · SBC Head shoot out Part 2Heres one for the Old school boys!Stock Vortec Heads VS Stock Camel Humps Vs Ported 2.02 Camel Humps!Very good info, Real flow data!... Camel Hump Heads Long ago, and I mean long ago, I knew all this stuff by memory. I believe the first camel hump head was on the 250HP or 275HP 327. Those heads had the 1.94 intakes. The 2.02's must have been on the 350HP or 365HP, and of course the Fuelies. I used to read Popular Hot Rod religiously and they had a project called Project X, a ...Oct 13, 2020 · Re: camel hump vs vortec. by ProPower engines » Tue Oct 13, 2020 7:50 pm. No comparison. The vortec heads are better in every way unless you have free double bump heads and have to pay for the vortec's. If you flow the early GM heads and flow the vortec heads and compare the numbers. The big difference is in the chamber shape.

Step back in time with our modern reproduction of the iconic Chevy 461 double hump cylinder heads, now cast in lightweight aluminum! Also known as "fuelie" heads, the 3782461 castings were used on many legendary Chevrolets from 1961-1967. . Lutz ace hardware

camel hump heads

As already mentioned by others, there are better heads available now. Certainly Chevy's later performance heads are better, but the BEST performance SB heads are aftermarket versions. The first version of the double hump heads was the 461, which was introduced in 1961 on the 315hp/283 fuel injected (ONLY) Corvette engine.A fabricated panic over so-called "camel flu" is being used to spread racist stereotypes The UK Health Security Agency (HSA) alerted doctors across the UK that soccer fans coming b...For instance, the camel hump symbol (also called double hump) can be found on 461, 461X, 462, and 291 casting heads. The 492, 292, and 186 heads have a slightly different looking camel hump. These heads may have come with 1.94/1.5-inch valves or they might have been made with 2.02/1.6-inch valves. The head casting number, 3991493, is …Chevy 3917291 Heads 302 327 350 Double Hump Pair Camel Hump SBC Heads 291 D 10 7. Opens in a new window or tab. Pre-Owned. $700.00. delcoenginesandcomponents (230) 100%. or Best Offer. Free shipping. 31 watchers. OEM Original 1967 327 Cylinder Heads Chevrolet Camaro. Opens in a new window or tab. Parts Only. $240.00.Unicorns are beautiful but fragile. Camels are survivors. The education technology industry is having a moment. When Covid-19 lockdowns sent 1.7 billion learners home, leaving teac...General Motors identifies its small-block Chevy cylinder heads with both casting numbers and casting marks. "Double-hump" heads were found on many of its high-performance engines in the 1960s and early 1970s. They were manufactured with larger intake and exhaust port volumes and valves for the period, and engines equipped with them had …CorvetteForum - Chevrolet Corvette Forum Discussion. C3 Corvettes, 1968 - 1982. C3 Tech/Performance. 491 Camel Hump heads. C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech …Flow characteristics, on double hump heads are very limited, even with drastic porting they wont flow much past .550 lift with big inch sbc. Also if you run much more than 350-360 ci your really limiting the power potential, on 283-327 they run awesome and if are in good shape can be freshened up reasonable priced.But this head uses a smaller intake port to impart more lower end torque that goes with the lower gas consumption RPMs. This came at the cost of top end power, so these heads just aren't competitive with the Camel Humps unless they are professionally ported. The L31 Vortec comes out of the LT-1 and 4 reverse coolant heads of the early …item 8 OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1964 2.02 1.60 Fuelie OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1964 2.02 1.60 Fuelie $895.00 +$88.85 shippingFor instance, the camel hump symbol (also called double hump) can be found on 461, 461X, 462, and 291 casting heads. The 492, 292, and 186 heads have a slightly different looking camel hump. These heads may have come with 1.94/1.5-inch valves or they might have been made with 2.02/1.6-inch valves.The "041" head was a 1969-1970 high performance head, with the same exact performance characteristics as both the "186" and "187" Camel (double) Hump heads. It also is a 64 cc combustion chamber. It was available from the factor with both 1.94/1.5 and 2.02/1.6 valves, just depended upon which vehicle GM put them in.The problem with adding bigger fuelie style cylinder heads like the 461 or 462 is that, while these heads increase airflow over a stock 283 head, this also increases the combustion chamber volume. Those double-hump heads generally have 64cc chambers. The stock 283 used a 58cc chamber. SMALL BLOCK CHEVY Camel Hump Heads 1965-1967 Part #3782461 Pair. Opens in a new window or tab. Pre-Owned. $1,200.00. penzgemz (24) 100%. Buy It Now. Free local pickup. 041s ARE double-humps. Some of the casting numbers you see the most are 461 (no bolt holes), 462, 492, 186, 041, 041X, 291 (no bolt holes), 292 (over-the-counter GM race head) Those used to be the heads we all ran, for years and years, back before CNC casting made possible the whole aftermarket head industry as we know it..

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