Small block chevy water level in manifold. 93. With the added volume, the core features a total of four water passages. Unit price/ per. scrap metal 48 likes this. 855. In this particular situation, we were using a 450-horsepower small block Chevy. 1) Cleaning. Converted from 230 L6 to mid-70's 350 small block. The Pro-Filer / Wilson intake features a 4150 c. Dec 28, 2020 · OIL DIPSTICK FOR WEIAND SMALL BLOCK FORD OIL PANS. Thermostat housing gasket 4. If the end ports are leaking water because the cheap,manifold isn't sealing the only place for the water to go is down into the lifter valley. #9 · Feb 3, 2015. FWIW many of the later SBC exhaust manifolds once removed can't be reattached without a spreader to stretch the casting Edelbrock 3701K - Performer Small Block Chevy EGR Intake Manifold with Installation Kit. Automotive Machine Shop. Fat47, Feb 15, 2010. $463. 347 posts · Joined 2005. The raised water cross-over and air gap insulate intake charge. 75" deep to pump mount surface. 7L/350 Chevy small block Gen I Weiand Intake Manifolds, Carbureted and get Free Shipping on Orders Over $109 at Summit Racing! $20 Off $250 / $40 Off $500 / $80 Off $1,000 - FINAL DAY! Regular priceSale price$275. 7L/350ci engines. 10. This manifold offers a polished finish for a brilliant shine and classic look. 67 Chevelle Malibu SS Cdn. We carry selections from top brands like Edelbrock, Speedway Motors and Weiand. Jan 24, 2005 · That sits right at the back of the intake manifold (on the block itself) and it will definately leak oil (under full PSI) and sometimes people miss that one. Spark plugs. Both of these matched fitment on the websites. The Performer intake manifolds are ideal for May 12, 2016 · The designer disagreed and that discussion meant we had to run the test. Single plane style manifold. Hi-temp non-hardening gasket sealer 7. 99. Made from durable cast aluminum and has a natural finish to it. Mercruiser 305/350/377, 5. Having difficulty with exhaust manifold/header clearance from shock towers. My Super Heros don't wear a capethey wear Dog Tags!! May 19, 2011 · 17993 posts · Joined 2007. Includes rear water outlets, nitrous bosses, a temp Mar 8, 2007 · ZZ_430. 00" higher in the engine bay. 7L/350 Chevy small block Gen I Coolant Temperature Sensors and get Free Shipping on Orders Over $109 at Summit Racing! $20 Off $250 / $40 Off $500 / $80 Off $1,000 - FINAL DAY! Use Promo Code: REWARDS Apr 4, 2022 · My SBC expert claims there's no such part as a good exhaust manifold gasket. Chevy V8s with 1996 and late vortec (L31) cast-iron or the new Edelbrock E-Tec aluminum heads. I just spoke with edelbrock about the situation and the tech said to just cap the ports. #2 · May 19, 2011. The 671-871 small block and the 671-1471 big block kits can use only the short style water pumps. 83. An external water bypass boss is machined into the front of the water crossover for use on 1996 and later Vortec production engines. Chevrolet V8s, the award-winning RPM Air-Gap incorporates the same race-winning technology that's used on the Victor Series competition intakes. . Engine bay is stock. 63" at the front. This is a very common occurrence with many Find CHEVROLET 5. Applications include street machines, street rods, pro street Jul 1, 2021 · 300-815 HILBORN Small Block Chevy RAW Base Intake Manifold, 305 (port openings not profiled – as-cast), Coated Gray 550-723 HILBORN Small Block Chevy RAW EFI-R Injector Manifold & Hilborn EFI ECU Kit, 2-3/16” Throttle Dia’s; Fuel Rails, Vacuum Kit, TPS w/Connector, & Remote Coolant Thermostat Kit Included Details. 265, 283, 302, 305, 307, 327, 350, Aluminum, Natural. 25 ft. The coolant isn't leaking into the lifter valley it's leaking into the intake ports and then down into the cylinders. Developed to match the port designs of our popular cylinder heads as closely as possible, providing an optimized intake tract for increased performance. Port size is 2. Rebates Available. Intake Manifold, Carbureted, Cast Aluminum, Black, Idle-5,500 RPM Range, Chevy, Each. Dual inlets and dual outlets help pass enough water to maintain near ambient temps. I've developed an intake manifold oil leak on my small-block 327 Chevy engine. Can be used with 3" or 4" riser. AFR is proud to announce the release of our new #4812 dual plane intake manifold for the popular small block Chevy engine platform. Will accept the popular 4150 square carburetors. $351. 22955 posts · Joined 2000. 70 Gs. Crate Engine, Base Long Block, Cast Iron Heads, Hydraulic Roller Camshaft, Chevy, 350, Each. With 103 Small Block Chevy 305 Intake Manifolds for sale, and options to fit your needs including custom, direct fit, and universal Intake Manifolds for your vehicle. 0-2. 7/6. May 29, 2020 · Loctite/Permatex 565, 567, and 592 are exceptional thread sealers. Water pump is 3. Speedway Motors 9108841 Details. Non-EGR. It may not be the intake gasket check the intake studs make sure they have sealer on them If they don,t it will pull oil pass the studs and into the intake. Their compact design fit into a wide variety of replacement and engine swap applications. See More. 14 mm. May 1, 2020 · To assist in keeping the rear cylinders running cool in high-performance engines, you can add a water bypass kit to the intake manifold. Install your four carburetor studs in the manifold. Find CHEVROLET 5. Works great on pipe thread, as well as headbolts and intake manifold bolts. X2. Product variants. 0/5. Retail Price: $2,349. May 1, 2020 · Adding a Water Bypass Kit to an Intake Manifold. 7L/350 Chevy small block Gen I Marine Exhaust Manifolds and Risers and get Free Shipping on Orders Over $109 at Summit Racing! $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: REWARDS Offenhauser 3x2 tri-power manifold for 265-400 Small Block Chevy. Jumpstart Your Next Project! Find CHEVROLET 5. Free shipping when your order includes this part. Seems like you would get the most accurate reading there. Quantity (0in cart)Decrease quantity for 52031- Small Block Chevy V8 Hurricane Intake Manifold SatinIncrease quantity for 52031- Small Block Chevy V8 Hurricane Intake Manifold Satin. Aug 6, 2016 · Small Block Chevrolet V8 Engine Specs | Torque Specs - Cylinder Numbering - Firing Order - Distributor Rotation - SB Chevy 267 305 327 350 400 Cid. Product Summary. William’s Exhaust cast iron small block manifolds. Very true. spacechimp said: Small block chevy with stock pump and performer intake. 57 out of 5 stars ( 7 ) JEGS Intake Manifold for 1955-1995 Small Block Chevy 262-400, Hi-Rise Single Plane [Satin] JEGS 513026 Swivel Water Neck; View Details. thick white paper Mr. Blocks manufactured in 1995 or earlier have thermostat bypass passage from the block directly to the water pump. Part Number: CSI-911AN12BLK. 85" wide for maximum cooling at all boost levels. Our manifold designer buddy (whose name we will withhold to protect the innocent!), was convinced we’d see at least a 5-horsepower loss in power. Dec 17, 2017 · 71350SS. Part Number: HPE-HP98. Kit includes parts to configured for both Raw and Fresh Water Cooling Systems. Fits: Mercruiser Model GM 305/350/377, 5. Includes brackets. If you use an excessively long intake manifold bolt, it can extend through the head and contact the pushrod. The Pro-Filer / Wilson intake manifold has shown a 25 HP gain over the competition in independent dyno testing. Edelbrock's Patented Dual-plane, low-rise design with a 180-degree firing order greatly Jan 31, 2015 · BillsCamino. 215-674-5240. This intake has two 3/8" NPT female threaded ports. 0 out of 5 stars Mar 4, 2024 · 350 HP SBC 350 Build Recipe. Ready to ship. Overall height is 4. 95. Chrysler 392 Hemi kits must be used with the Weiand #8214 water pump. Born 283 / PG / A51. Default Title - $275. Mar 10, 2009 · 69 Nova 410" small block-Driven to track stock ports consider using exhaust manifold gaskets. Hard to start didnt want to crank over, smoked blue, moderate amount, Ran 5 minutes max, oil/water sprayed from seal on timing gear cover - checked oil - twice normal amount in pan, all plugs black Plug Fittings, Oil Level Sensor and Sending Unit Plugs, Hex Head, 20mm x 1. 7L/350 Chevy small block Gen I Exhaust Manifolds V8 Engine Type and get Free Shipping on Orders Over $109 at Summit Racing! Sep 21, 2009 · Small block chevy 327 - water in oil. 9. Manifold features rear water outlets, two distributor clamp Aug 26, 2023 · JEGS 513001K1 - JEGS Intake Manifold with Installation Kit for 1955-1986 Small Block Chevy 262-400. i. For my 454 Big Block Chevy, I added an Edelbrock Air Gap Intake Manifold, which is for rectangle port heads. 5, Male Threads, Aluminum, Natural, Chevy, Small Block LS, Each Part Number: ICB-551413 4. 0, 5. The OEM bolts are 3/8-16 by I'd guess about 2. 9982 posts · Joined 2000. SB Chevy V8, Satin Finish. 09. Don't mess with Texas! On a small block I beleive the 4 outer corner bolts and the ones just inboard of them go into the water jacket. Marine Power high performance semi-tuned aluminum exhaust manifold and riser kit. NOTE: Use PTFE tape or pipe dope on all pipe threads. May 27, 2022 · My experience is the china wall gap s/b substantial to allow for the GM end gaskets to be used. $713. May 11, 2009 · Where is the best place to measure water temp in a Gen 1 small block chevy?? The water is probably the hottest as it exits the block through the thermostat located in the intake manifold, so that should be the best place to measure water temp at right? William’s V8 Exhaust Manifolds. This Part has options, please click the button below to order. Check out UCORA. Edelbrock 2999 Tall Victor Jr. 56" at the rear and 3. 7L/350ci Aluminum Performance Exhaust Kit (Fresh & Raw Water) $2,114. Exhaust Manifold Spacers - 1/2" Small Block Chevy, Billet Aluminum. Chevrolet Performance Cast Iron Vortec Cylinder Head (two quantity) COMP Cams Xtreme Energy Hydraulic Camshaft Kit. Developed exclusively for small block Chevy's. Apr 23, 2004 · High Output PotentialTo establish the top-end capability, a freshly-overhauled 383 small-block Chevy mule with a 7,700-rpm redline was used. (0) $235. Port size is 1-1/2" x 1-1/2". Do not use any type of sealant on the carburetor Call Us - 1. Edelbrock part #2701 Performer EPS intake manifold is designed for 1986 and earlier 262-400 cubic-inch Chevys. Jun 1, 2016 · To quantify what water-methanol injection is and how it works, we teamed up with the guys at Snow Performance and installed one of their Stage 2 kits on a Chevy small-block with a Weiand 142 blower. Great for engines with slightly modified or performance aftermarket heads. Edelbrock 27011 - Performer EPS Polished Intake Manifold for Small Block Chevy. Performer RPM Small Block Chevy AIR-Gap Intake Manifold. Valve cover gasket set 3. Unique removeable water flow divider to eliminate the thermostat in racing applications Four corner water outlets Accepts late-model water neck, air-conditioning, alternator, and HEI brackets Special adapter bushings allows manifold to fit 1987 to 1995 engines Feb 14, 2010 · Guage mfgs recommend putting the temp sender in the intake manifold close to the thermostate. * Tips for proper installation of heads gaskets. #1 · Nov 18, 2009. Edelbrock Performer EPS Intake Manifold for 1955-86 262-400 Small-Block Chevrolet V8, Accepts a 4150-Style Square-Bore Carburetor. Equipped with a port-matched, but otherwise stock Edelbrock 5001 Small Block Chevy Torker II Intake Manifold made by Edelbrock, for as low as $267. $1,210. Place the carburetor gasket on the clean carburetor pad. (0) $17. (0) $339. Something above the ports is Aug 9, 2021 · Bolt Holes Into the Water Jackets. Great Dress-Up Item Contains (2) Pipe Plugs and (1) 5/8' Fitting and (1) 3/4' Fitting | Eckler's Small Block Intake and Water Pump Heater Hose Fitting Kit | Stainless Steel | With 12 Point Head | Small Block | Chevrolet | Chevy Mercruiser 305/350/377, 5. Features dual distributor hold-downs to simplify timing adjustments. The hole needs to be plugged if it isn't - either with a sending unit or a pipe plug. 80. They have an anaerobic hardener similar to threadlockers. 2) Watch bolt lengths. They are the bolts on either side of the manifold water ports. Edelbrock part #7501 RPM Air-Gap #7501 intake manifold is designed for 1955-86 262-400 c. 6 RR, Weiand Stealth Airstrike, 650cfm avs, MSD 4spd 355 posi. small-block Chevy V8s operating between 3500-7500 rpm where low-end torque is not a prime factor. Edelbrock 3701PK4 - Performer Power Package for 400ci Small Block Chevy EGR. 3500-7500+ RPM. lbs. (1) Intake Manifold Type: Single Plane. Wilson Manifolds - the leader in induction design and technology - has joined forces with Pro-Filer Performance to produce the latest SBC 23° Intake Manifold. Chevy Small Block V8, Dual Plane Intake Manifold Type. If you put it in the block, you may get false readings and the guage will indicate high temp after you shut off the engine if it is close to the exhaust manifold. Small Block Chevy Intake Manifold Bolt Torque Specifications. ( 6 ) Estimated Ship Date: Jun 10, 2024 (if ordered today) Core Charge $510. Tried shorty headers - fit passenger, but rubbed driver. . 24" wide. Material Type: Aluminum. Shop Now at the Guaranteed Lowest Price! Find CHEVROLET 5. 73. 1. Not Yet Reviewed. Intake Manifold Gaskets, Replacement, Lower Set Only, Stock Port Style, Cadillac, Chevrolet, GMC, Small Block, Set. Edelbrock 3701PK - Performer Power Package for Small Block Chevy EGR. Shop Now at the Guaranteed Lowest Price! $5 Off $49 / $20 Off $249 / $60 Off $499 / $120 Off $999* - Use Promo Code: RACE Jul 1, 2021 · 300-815 HILBORN Small Block Chevy RAW Base Intake Manifold, 305 (port openings not profiled – as-cast), Coated Gray 550-723 HILBORN Small Block Chevy RAW EFI-R Injector Manifold & Hilborn EFI ECU Kit, 2-3/16” Throttle Dia’s; Fuel Rails, Vacuum Kit, TPS w/Connector, & Remote Coolant Thermostat Kit Included Oct 11, 2023 · Hooker 8525HKR Hooker Small Block Chevrolet Exhaust Manifolds. For even more power, Whipple offers the new Stage 2 Cupronickel intercooler core that is 5" thick and 7. 88" deep from mount surface to face of fan. Small Block Chevy Manifold. Distributor to manifold gasket 5. Feb 15, 2022 · On a small-block Chevy, only the four end bolts enter blind bolt holes. Add To Cart. He cleans the exhaust port surface on the head and on the exhaust manifold with a file and bolts them up without any gaskets; no leaks down the road. Gasket ones and would soak them in water May 13, 2011 · I always thought the best place for it was in the water outlet/t-stat housing. Make sure you follow the sequence in a couple of steps, worry about this more on old and aluminum manifolds. Roller Tip Rocker Arms and Push Rods. Check it out. Part# 5899WND. For 283, 305, & 350 Chevrolet V8 engines. 500, High Torque Applications up to 6000 rpm. The award-winning RPM Air-Gap intake manifold incorporates the same race-winning technology that's used on our Victor Series competition intakes. I doubt OEM exhaust manifold bolts were anything greater than Grade 2six bolts on each manifold (12 total) would support the whole damn vehicle. Edelbrock's Patented Dual-plane, low-rise design with a 180-degree firing order greatly improves torque over a wide rpm range for excellent throttle response from off-idle through 5500rpm. Blower manifold is specifically designed to fit a 1955-1986 Small Block Chevy engine. Chevy 230/250 Inline 6 Cast Iron Water Pump: Sep 21, 2009 · Small block chevy 327 - water in oil. Car hadn't run in 15 years, started it, found oil discolored and foamy. SHARE POST #11. Learn more. It is recommended for 215cc and smaller intake ports. 25" long. #13 · Dec 18, 2017. 0L/305ci and 5. 350 Chevy Rotating Assembly. 2 Small Block Chevy Exhaust Manifold Assembly (Iron Casting) replaces MerCruiser part # 860246A10. Install all water sensors and vacuum fittings into the manifold. Buy in monthly payments with Affirm on orders over $50. Summit Racing™ Cast Aluminum Intakes SUM-226060-B. Plenty of aftermarket casting/machinings fall short of spec. Carb pad will accept square-bore carbs without adapters. The average small-block racers will start with 1-3⁄4-inch primaries and a 3-inch collector for applications up to about 500 to 550 hp. 7L/350 Chevy small block Gen I Water Necks and Thermostat Housings Straight Water Neck Style and get Free Shipping on Orders Over $109 at Summit Racing! $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: REWARDS CSR Intake Manifold Water Filler Necks CSR 913AN16BLK Black Anodized, Swivel, 90 Degree, Chevy, Big/Small Block, Each. Brodix HP 1 Small Block Chevy Aluminum Intake Manifold Satin Finish. This means you get the traditional look and easy May 29, 2020 · Loctite/Permatex 565, 567, and 592 are exceptional thread sealers. He said no problem with the performer eps manifold. Plug all unused water and vacuum ports in the manifold. Hole in front to accept an oil fill tube; HEI distributor will not fit The water flow diagram of a Chevy 350 engine typically starts with the water pump, which is responsible for circulating coolant through the engine. :yes: 1966 Chevelle 300 Deluxe Post, 327cu AFR180CC Street Eliminator, Voodoo, Harland Sharp 1. Rogers Performance. 7L, Passenger Side, Each. Riser is 1. Edelbrock 5001 Small Block Chevy Torker II Intake Manifold made by Edelbrock, for as low as $267. None of them on big or small blocks live in water. Get the Best Performance with JEGS Exhaust Manifold Washer Set for 1957-1978 Small Block Chevrolet Engines 90635 parts at JEGS. Automotive Performance Carburetors, Cylinder Heads, Intake Manifold Height 6-1/8". 7L/350 Chevy small block Gen I Water Necks and Thermostat Housings Straight Water Neck Style and get Free Shipping on Orders Over $109 at Summit Racing! E-mail this product to a friend. 00. From the engine block, the coolant flows SBC Eliminator Dual Plane Aluminum 4150 Intake Manifold. To assist in keeping the rear cylinders running cool in high-performance engines, you can add a water bypass kit to the intake manifold. (1) $445. You didn’t mention what era 454 you are dealing with but we’ll safely assume this is a Chevy MK IV big block that has head bolt holes that extend into the water jackets. This dual plane intake manifold is Aug 26, 2023 · Get the Best Performance with JEGS Intake Manifold for 1955-1986 Small Block Chevy 262-400, Dual Plane [Polished] 513015 parts at JEGS. while a small block Chevy aluminum engine block weighing between 110-140 lbs. ATK High Performance GM 350 345 HP Stage 1 Long Block Crate Engines HP98. *** ON BACKORDER ***. Intake manifold gasket set Fel-Pro #1256 for small block Chevy Fel-Pro #1275 for big block Chevy w/ rectangular ports Fel-Pro #1251 Trim-to-fit for big block Chevy w/ oval ports 2. A dirty bolt can throw off torque readings by as much as 20 ft. Oct 11, 2023 · Hooker 8525HKR Hooker Small Block Chevrolet Exhaust Manifolds. 57 out of 5 stars ( 7 ) This manifold is primarily intended for use with Vortec heads on pre-1996 engine blocks. $309. Some Common Intake Manifold Installation Tips. 313. Prev Best on M/T ET S/S #3454 street Tires/Dress 2018/05/20. To small a gap and IMHO ends will hold up the interface to the heads from eminent seal. 93 USD. The later MKV and VI blocks used blind head bolt holes where this would not cause the problem. Changed oil, added coolant, restarted. 2 V8 Small Block Chevrolet 1983-2003. The Zips SBC Water Pump Riser Kit raises the location of the water pump 5. org. Edelbrock 27033 - Performer EPS Black Intake Manifold for Small Block Chevy with Oil fill tube. Edelbrock part #2101 Performer intake manifold is designed for street 1955-86 small-block Chevys. Manifold Height 4. Above that, a 1-7⁄8-inch primary and 3-1⁄2-inch collectors are probably necessary. Accepts all 1976 and later alternator and A/C brackets for the street. Torque Specs for Small Block Chevy Engines 485-WPI-9145P. Cast Iron is much more forgiving if you are unfortunate to have to use a boat anchor of an intake. $59500. Jan 1, 2013 · How To Make 700 HP With A Small-Block Chevy And A Little Help From A 6-71 Blower Dec 28, 2020 · OIL DIPSTICK FOR WEIAND SMALL BLOCK FORD OIL PANS. The 592 tends to be the easiest to source, and not as expensive as some of the others. 350 HP 350 SBC build list components using a late-model 1-piece rear main seal two bolt main block. The Edelbrock Street Tunnel Ram Intake Manifold is designed for use on 302-327-350-400 c. 39 Ships on 07/01/24 Designed for 1955-86 262-400 c. Delivers maximum power and a broad torque curve for high-performance street. Features a four-barrel square bore carburetor flange. d. Estimated Ship Date: Monday 6/3/2024. Designed for 49-54 Chevrolet cars with small block engines, with a rear dump on the driver side manifold to solve clearance issues with the steering box. It appears the leak is only coming from the center bolts on both sides of the manifold and collecting a small pool of oil at a slow rate after driving the car. Sep 19, 2007 · Bolt Torques. Fits 5. Will fit a 6-71 / 8-71 blower size application. Performer RPM Q-Jet has same provisions as #7101. Try a GM aluminum corvette intake and chances are success will occur. 1" tall and 1. Nov 12, 2019 · Mahle Performance Gaskets MS20014 - Intake Manifold Gasket Set for Small Block Chevy 23 Degree Medium Port. Tried rams horn manifolds - fit driver, but rubbed passenger. , depending on the manufacturer, saving 60 to 90 additional pounds. Hooker's new cast iron small-block Chevy exhaust manifolds offer an increase in performance and visual appearance over stock-style manifolds. 25 Ft/Lbs. The rest of the intake manifold bolts are open into the lifter valley and four of these bolt holes line up or are very near a pushrod. These spacers are the answer to those times when you just need a little more clearance for tall valve covers or to get those tips to line up correctly. The air-gap design features an open air space that separates the runners from the hot engine oil resulting in a cooler, denser charge for more power. Oct 18, 2023 · I have a 66 Hardtop. 7L/350 Chevy small block Gen I Intake Manifolds, Carbureted and get Free Shipping on Orders Over $109 at Summit Racing! Nov 18, 2009 · 64Joker Discussion starter. Part Number: FEL-MS901312 5. The Grade Of The Bolt Is Determined By The Number Of Lines On The Head Of The Bolt Plus 5. Edelbrock part #7104 Performer RPM Q-Jet intake manifold is designed for 1955-86 262-400 c. 468/TH400 2,500 stall / S60 3. 11. $37. JMO. From the water pump, coolant is directed to the engine block, where it helps absorb and dissipate heat generated by the engine’s combustion process. Most Small Block Chevys Use 3/8" Bolts On The Water Outlet Depending On The Hardness Of The Bolt It Should Go As Followed A Grade 5 Bolt Should Hold 30 To 35 Foot Pounds Of Torque, A Grade Eight Bolt Should Hold 40 To 45 Foot Pounds Of Torque. The most important operation of regasketing your engine is thorough cleaning of the cylinder head, block, bolts, and bolt holes. Made in the USA! 1 day ago · Exhaust Manifold, Chevy, GMC, Pickup, SUV, Van, 5. 283, 302, 305, 307, 327, 350, 400, Aluminum, Natural. 1/2”-NPT pipe plugs (2) required 6. Aug 17, 2019 · This single four-barrel intake is designed for 262-400 c. I have to either cap the ports on both of those or somehow create a bypass. Shippingcalculated at checkout. 9176. Chevy V8's for spread-bore (Q-Jet) or square-bore carbs. Aug 27, 2013 · Re: small block Chevy sucking oil at bottom of intake, help. $382. Aug 26, 2022 · A small block Chevy cast-iron bare block weighs approximately 200 lbs. Installation can be difficult, because they are made with fairly straight tubes to minimize restriction. Sold in pairs. 0L/305ci - 5. Speedway Motors has the best Small Block Chevy 305 Intake Manifolds available. This means you get the traditional look and easy Spark plugs. MSRP: $215. Weiand 8125P - Street Warrior Aluminum Intake Manifold Small Block Chevy 262-400 with 1987-Up Aluminum Heads. Sale Back in soon. 77. Carb mount stud pattern is 1-7/8" x 3-1/4" (small base Rochester). Chevrolet V8 applications. ok zj iq ph qc vr xo xv rc mk