Oldsmobile 3a heads. Opens in a new window or tab.

Oldsmobile 3a heads Envío gratis en artículos seleccionados. I have milled factory iron, Batten, and Edelbrock Performer RPM heads as much as . com Get the best deals for Oldsmobile 350 Heads at eBay. 474 int. 75 cc chambers nominally (usually a couple of cc larger as-cast), 1. These use 1/2 head bolts which any block from 77 -90 used and can be used on any of theses engines. Fits 70-76. Engine ran good and transmission shifted as it should. Aug 4, 2024 · Oldsmobile bare core cylinder head 260-307-350 3A As Pictured Olds Have 2. 92 no slip, project nightmare, 2017 OLDSMOBILE CAST IRON HEADS ALUMINUM ROLLER ROCKERS KIT 400/425/455 Oldsmobile bare core cylinder head 260-307-350 3A As Pictured Olds Have 2. It comes with complete records back to day one including the original bill of sale and warranty paperwork. I just have the cast iron intake from the 307, but I do have headers. Sep 14, 2023 · Yes, but with some note worthy issues. $375. d. The 1977-1980 350 is 557752. Condition is For parts or not working Dec 19, 2012 · Your engine will be 8. You must specify which casting number oldsmobile 69 cc aluminum heads 330,350,400,425,455 $ 1,549. Feb 24, 2009 · 1970 Olds Cutlass S, Forced Air Olds 358 SEFI Cutlassefi tune Terminator X Max, 2. 99 add to cart; oldsmobile fabricated sheet metal valve covers 307,330,350,403,400,425,455 (black) $ 259. The casting is very thin ("smog" heads). Casting # available 2a, 3a, #5a, #7a, #7A, #10, #8 each. Note, do not confuse these with the 5A and 7A heads used on the 80s vintage Olds 307s. com 1977-1982 350 Oldsmobile Mar 21, 2008 · First thing to do is lose the 3A heads and get a set of #5, #6, or #7 heads from 68-71. I'm sure the number 5-7 ones are the ones to get as far a stock cylinder heads go, obviously the earlier heads were built with more power in mind. 99 add to cart; oldsmobile bare set aluminum heads 330,350,403 and 400. 3L 260ci V8 - 362 Shop Oldsmobile Car & Truck Cylinder Heads & Parts with eBay Guaranteed Fit. These heads must be used with Performer RPM Olds manifold #7111 only on 350-403 c. Encontrarás artículos nuevos o usados en Oldsmobile Genuine OEM Car & Truck cylinder heads en eBay. Oldsmobile 350 engine & TH350 transmission. 1985 and up 307 junky enginesdont even fool with them doesn't matter what it came from junky. Despite the advertised chamber volume, as-cast Olds heads ALWAYS have chambers that are larger that advertised. 542/. We have a great online selection at the lowest prices with Fast & Free shipping on many items! 350 oldsmobile heads for sale | eBay 6 days ago · Find OLDSMOBILE Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! $25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Oldsmobile Olds 98 7. 71-72 had decent small chamber heads with big dish pistons, lowering compression. Saline, MI. Nov 14, 2008 · I have one of the window main 350's,and I have a set of 3a and a set of 5a heads. Generally, heads with valve rotators and corresponding deep spring pockets (3/8" wide retainer rather than 1/8" retainer), have induction hardened exhaust seats from the factory. Generally, heads with valve rotators and corresponding deep spring pockets (3/8" wide retainer rather than 1/8" retainer), have induction hardened exhaust seats from the factory. 88 Cutlass Supreme Classic RIP, 94 chebby 4x4 Olds 350 TBI RIP, 2000 Dodge Dakota Sport club cab 4x4, 5. 5 likes, 0 comments - oldsmobile_parts_sale on August 17, 2023: "1967 Oldsmobile bucket seats Driver quality ,vinyl is nice and has tracks Jan 19, 2011 · 85 Olds 442; 440 Olds ( bored/stroked Olds diesel 350 block ). This ad is for a pair of complete assembled aluminum 69cc Oldsmobile cylinder heads for 350-403 & 400-425& 455 engines. Frequently you need to scrape all the crud away to read it. As of 22 Apr 66 the head castings wore the -1 after the number. 880/1. I have the bolt holes drilled for 1/ Explore a wide range of our Oldsmobile 350 Cylinder Heads selection. Opens in a Cylinder Head Bolts, Pro Series 12-Point, Oldsmobile, 350, 400, 403, 425, 455, Stock, Edelbrock RPM Heads, Kit. That hole you see that is showing is basically a heat vent. com, these billet Oldsmobile heads provide REAL Olds power. 7L 3A 350 Oldsmobile heads 3A 5. id. Oldsmobile. Got for a project and no longer need. ). 99 This ad is for a pair of complete assembled 69CC aluminum Oldsmobile cylinder heads for 403 AND LATE 350 engines. Cylinder Head Core GM Oldsmobile 3A A 2A 3A 1 2 3 G K J 2B C 69 Oldsmobile Cylinder Prof CrossWind Intake Manifold Chevy SBC 283 327 350 Fits Stock Heads 52025 (For: Oldsmobile) Oldsmobile bare core cylinder head 260-307-350 3A As Pictured Olds Prof CrossWind Intake Manifold Chevy SBC 283 327 350 Fits Stock Heads 52025 (For: Oldsmobile) Oldsmobile bare core cylinder head 260-307-350 3A As Pictured Olds Prof CrossWind Intake Manifold Chevy SBC 283 327 350 Fits Stock Heads 52025 (For: Oldsmobile) Oldsmobile bare core cylinder head 260-307-350 3A As Pictured Olds Oldsmobile bare core cylinder head 260-307-350 3A As Pictured Olds Have 2. Great deals. 498 ext. This legendary company also treated fans of the GM LS, big-block Chevy, and Oldsmobile 350/403 engines to an early Christmas present. Oct 21, 2021 · Find many great new & used options and get the best deals for Oldsmobile 350 cylinder head #3A 1977-1980 rebuildable core OEM at the best online prices at eBay! Free shipping for many products! Feb 22, 2010 · I have a 1977 Oldsmobile vin R 350 with 3a heads. We have a great online selection at the lowest prices with Fast & Free shipping on many items Get the best deals for 350 oldsmobile heads at eBay. Block casting #557752-3B. Nov 6, 2011 · The 5A heads barely flow well enough for a 307 let alone anything bigger. To put big block (400, 425, 455) heads on a small block (260, 307, 330, 350, 403, 350 diesel) you'll first have to drill out the dowel holes in the heads. They are manufactured using their gravity casting process, which ensures a more uniform and robust casting. ” BARE Oldsmobile used core cylinder heads, each. Oldsmobile bare core cylinder head 260-307-350 3A As Pictured Olds Have 2. Oldsmobile 350 cylinder head #3A Get the best deals for Olds 455 Ga Cylinder Heads at eBay. 00 add to cart; 69cc 403 oldsmobile complete aluminum heads $ 1,549. Parts Only. Casting No: 783 191 342 198 370 686. 425,455 $ 995. 99. I have put Oldsmobile 350 cylinder head #3A 1977-1980 rebuildable core OEM. Pre 77 blocks used 7/16. range. 07 in my no 5 heads because my trusted machine shop told me it in crease flow there wasnt much room between the valves the engine ran great till no 3 broke and drop into the piston i tore down every guide was shot i they fixed it again they put new guides the first time they redid the valve and assembled it it lasted 300miles and droped no 3 again then Jun 6, 2014 · 1970 Olds Cutlass S, Forced Air Olds 358 SEFI Cutlassefi tune Terminator X Max, 2. 5 to 1 or probably less if stock. The earlier heads have 60-64 CC chambers. Nov 13, 2011 · Gothiac's is a great example and extreme! It was confirmed by a long time mechanic on CO and I saw a whole pile of NOS 3A replacement heads a few years back on Ebay. Find top brands, exclusive offers, and unbeatable prices on eBay. Complete except for intake and carb The heads are assembled and ready to install on your engine. THEY COME READY BOLT ON DRILLED FOR 1/2 HEAD BOLTS . Beware that Toro heads had a "N" on that area and ended with a Find OLDSMOBILE 5. Complementary Products. or Best Offer. Aug 27, 2009 · The 3A heads were used on the 1977-1980 Olds 350 motors, though they COULD have been bolted to a 403. These high-quality cylinder heads play a crucial role in the combustion process, ensuring optimal power and efficiency. Been sitting for a number of years. At Alliedmotorparts, we offer a wide range of Cylinder Heads and engine components to meet your specific needs. Oct 15, 2013 · 1994 FIREBIRD FORMULA FRED 381ci all-forged stroker (Callies Stealth, Oliver billet rods, BME 2618-T61 nitrous pistons) - 10. The 7111 has ample aluminum for port matching and good gasket sealing. Tenemos la selección más grande y las mejores ofertas en Oldsmobile Genuine OEM Car & Truck cylinder heads. There is a spacer system to make everything work with a big-block Olds. Free shipping. OLDSMOBILE CAST IRON HEADS ALUMINUM ROLLER ROCKERS KIT Prof CrossWind Intake Manifold Chevy SBC 283 327 350 Fits Stock Heads 52025 (For: Oldsmobile) Oldsmobile bare core cylinder head 260-307-350 3A As Pictured Olds On offer here: 1980 Oldsmobile Cutlass Calais Coupe W-30 442 Package;3K47RAM534348 This 1980 Oldsmobile Cutlass Calais Coupe is a Lansing, MI manufactured factory W-30 442 optioned car with just three owners since new. Lefty Early 442's will have a plain "B" head without the "-1" behind the casting number. Feb 28, 2025 · Oldsmobile 350 V8 engine 3A heads, circa 1975 - $200 (Millersville) QR Code Link to This Post. Free shipping on selected items. 92 no slip, project nightmare, 2017 Dodge Challenger GT AWD Go Green Towing Machine Small-block Olds heads have an tification number on the left end of the heads' exhaust side. i. OLDSMOBILE CAST IRON HEADS ALUMINUM ROLLER ROCKER KIT 307/330/350/403. The best factory exhaust mani- Oldsmobile cylinder heads 260-307-350 3A Casting#554716. You'll find new or used products in Cylinder Heads for 1960 Oldsmobile 98 on eBay. ¡Compra con confianza en eBay! Oldsmobile bare core cylinder head 260-307-350 3A As Pictured Olds Have 2. The 73 to 76 #8 heads just need a bowl hog on the exhaust side to equal early heads and flat top pistons to bring up compression. com. ), the 5A heads have nothing to offer over any other 350 head ( the 3A heads suck though ). 507 valves nominally. $75 firm. Plus the exhaust side is crap with 75cc chambers. I have a 78 Cutlass with a 3A headed 350 with the same holes that show in the center of both heads. Sep 26, 2003 · Olds problems Go to Oldsmobile FAQ and they can tell you a lot I've been running Olds for a number of years The heads have had letters-numbers-and both together depending on years the main ones to stay away from for performance are 73-76 and any thing in a 307 Olds newer than 84. Opens in a new Feb 11, 2015 · For those looking to build an Olds small-block, Wise recommends using one of the mid-80s Olds diesel engine blocks, adding these cylinder heads, then utilizing the Edelbrock 455 manifold on top to work with the raised port location. Get the best deals for Oldsmobile 350 Heads at eBay. V8 engines. Find parts that fit We need more information about your vehicle to confirm fit. Oldsmobile 350 cylinder head #3A 1977-1980 rebuildable core OEM. . The heads are 3A, also known as "716" castings by PMD. The leader in cylinder head manufacturing, Edelbrock brings this performance head to the Oldsmobile market place. Later big chamber heads have less flow potential. 00. 112* cam. 563 lift cam, 1 3/4" American Racing headers, 2 1/2" Pypes X-pipe exhaust, Qjet. C $119. Massive selection from top brands on eBay. Even with the right build, the #8 heads can be a good choice. The casting numbers are the same through 76. We take immense pride in not only the functionality, but also the appearance. Oldsmobile 3A heads, cleaned, no cracks. 300 taller than the 350 ports. Manifolds may be used as-is, or port matched to the same size as the cylinder Oct 21, 2009 · The '73 up cars I'm pretty sure were numbered 8 and up, a smogger head. Here’s a breakdown of the most popular Oldsmobile cylinder heads available: Olds Cylinder Head 4. 7L - Car Engines & Engine Parts - Pearl, Mississippi | Facebook Marketplace Shop Genuine OEM Car & Truck Cylinder Heads for Oldsmobile with eBay Guaranteed Fit. 5, 6, Or 7). 94 77-79 OLDS OLDSMOBILE HEADS V8 HIGH Set of Oldsmobile 350 heads they been reworked checked for cracks resurface and valves have been redone 5. Some heads are rumored to have the rotators on the intake or exhaust values only. Nov 12, 2024 · Cleaning out our shelves of High Performance parts. Dec 23, 2024 · Edelbrock, which made its first set of aftermarket heads in 1945, introduced two new sets of HEMI cylinder heads at the recent Performance Racing Industry Show in Indianapolis. Local pick up only. The 403 is 557265. It has 3A heads on it right now which I know are "smoggers" (76cc chamber I think???) so I'd like to swap on a set of #7's, that I have sitting around waiting for another project engine. OLDSMOBILE Cylinder Heads are essential components for the performance of OLDSMOBILE engines. If I replace those heads with the early #5 heads (port, polished, divider weld, new valves, springs, etc) what would happen performance wise? I know about enlarging the head bolt holes. Use the gaskets or you will end up with water in the oil, and other problems that would make you pull your hair out. Prof CrossWind Intake Manifold Chevy SBC 283 327 350 Fits Stock Heads 52025 (For: Oldsmobile) Oldsmobile bare core cylinder head 260-307-350 3A As Pictured Olds Shop Genuine OEM Car & Truck Cylinder Heads with eBay Guaranteed Fit. 99 read more Apr 17, 2002 · This 71 Cutlass I'm working on right now has a newer 350 in it (1977-80). 100 inch for certain applications. The best stock small-block 350 heads are the design with 68- 70cc chambers (ID Nos. Pre-Owned. This was done for a couple of reasons. Came with valve rotators from the factory, so if you are using aftermarket springs and eliminating the heavy valve rotators you need to shim the springs to get the correct installed spring pressure An ode to the days of RealOldsPower. Opens in a new window or tab. 030 over bore and a 214/224 . And that’s not all. Each Oldsmobile engine variant has its own unique specifications and performance capabilities. Additional Applications: Oldsmobile – DELTA 88 1970 to 1976 Oldsmobile – TORONADO 1970 to 1976 Oldsmobile – TORONADO 1970 to 1976. A 1968-76 350 block is 395558. 08 posi 8. $129. stomac_14 (9) 100%. These hold up better for high. These are cast from virgin A356 aluminum and are heat treated to T6 specs. Part Number: ARP-280-3700 Not Yet Reviewed Dec 12, 2024 · Key Features of Oldsmobile Cylinder Heads. Our products are Mar 6, 2025 · Cylinder Head Core GM Oldsmobile 3A A 2A 3A 1 2 3 G K J 2B C . Next, depending on the extent of your rebuild, you can get new pistons. Meticuously crafted from 6061-T651 Aluminum, these are without a doubt the crème de la crème of Oldsmobile heads. Later 3A heads are crack prone and restrictive. The problem is that the early heads also have smaller valves than your 4A heads, so you need to have them cut for the larger BBO-sized valves (Olds did this for the W-31 motors). 7L - 350ci V8 engine. com fit, the Edelbrock Oldsmobile Cylinder Heads are matched in size and operating range with Edelbrock Performer Olds 455 intake manifold #2151 on 400-425-455 c. Notes: CAST IRON V/8 Shop Car & Truck Cylinder Heads & Parts for Oldsmobile with eBay Guaranteed Fit. 7L/350 Cylinder Heads Valve Springs Included and get Free Shipping on Orders Over $109 at Summit Racing! Use your Summit Racing SpeedCard today, and get 10% back - Get Details! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Dec 21, 2011 · the bbo heads are larger chambers i put 2. 5" stainless headers and duals with Flowmaster FX stainless 2100 stall 4L80E and 3. Prof CrossWind Intake Manifold Chevy SBC 283 327 350 Fits Stock Heads 52025 (For: Oldsmobile) Oldsmobile bare core cylinder head 260-307-350 3A As Pictured Olds 69cc 403 oldsmobile complete aluminum heads $ 1,549. Cylinder Heads & Parts for Oldsmobile Cutlass, Cylinder Heads & Parts for Oldsmobile 442, Description. The OLDS403 heads are MUCH BEEFIER, and will also bolt on, but with lower compression. Opens in a new window or tab Oldsmobile bare core cylinder head 260-307-350 3A As Pictured Olds Have 2. Part#: ALL-20187 Part#: ALL-20187 Explore a wide range of our Oldsmobile 350 Heads selection. If it's worth doing, it's worth doing right! We spare no time or effort on the exterior & port finish Oldsmobile #6 350 Heads 1970 442 W-31 Cutlass. 85 Olds 442; 440 Olds ( bored/stroked Olds diesel 350 block ). Later #8 heads have 10cc larger chambers and need under the valves unshrouded to equal early head flow. Unless you're building a very low RPM truck engine perhaps ( and even then. Big-block Olds heads have a letter in the same place. Location is approximate The heads are much lighter than the Olds-cast units, I believe they started showing up about the same time the blocks got the windowed main webs -- I don't know 100%, but I'd bet most of the 307's and some of the last 350's might have these heads on them. OLDSMOBILE ALUMINUM HEADS 7/16/7/16 GUIDE PLATES 330,350 May 17, 2024 · Find many great new & used options and get the best deals for 1977-1982 350 Oldsmobile Cylinder head casting # 554716 3A at the best online prices at eBay! Free shipping for many products! Edelbrock "3rd Generation" 61025 Cylinder Heads Offered in 4 Stages, we aim to provide you with a readily accesible "on-the-shelf" performance head package! From bare & machined, to fully assembled, we have hand picked our components to ensure this head package exceeds expectations and leaves your opponents in the dust. Oct 15, 2013 · 3A heads were used on 1977-1980 Olds 350 motors. Nov 24, 2012 · The 4A heads have something like 80 cc chambers, same as a BBO. Pre-Owned · Oldsmobile. 5 LTR V/8 Cyl OHV V/8 CAST IRON. For small-block 350 and 403 Oldsmobile applications, you must use a port-matched 7111 Edelbrock Performer Intake Manifold when using Mondello Edelbrock Aluminum Cylinder Heads. The heads will bolt to the block, but you will have a large intake port mismatch (the 455 intake ports are about . . Opens in a new Prof CrossWind Intake Manifold Chevy SBC 283 327 350 Fits Stock Heads 52025 (For: Oldsmobile) Oldsmobile bare core cylinder head 260-307-350 3A As Pictured Olds En eBay encuentras fabulosas ofertas en Oldsmobile Genuine OEM Car & Truck cylinder heads. 44 CR, Edelbrock RPM intake, Crane roller 222/230 dur . com May 2, 2004 · The 3A heads are smog heads. Comes exactly as pictured. See full list on classicoldsmobile. Many great features include 356 T6 aluminum castings, complete compatibility with current cylinder head valve train, manifold and headers. Manufactured by Oldsmobile, a trusted name in the automotive industry, Our cylinder heads are designed to fit seamlessly into 70-76 Oldsmobile vehicles with a 5. 8:1 - CNC LT4 heads/intake - Comp Cams solid roller - MoTeC M48 Pro engine management - 8 LS1 coils - 58mm TB - 74#/HR injectors - 300-shot dry nitrous - TH400 - Gear Vendors 0. engines. The block casting number is located on the small "shelf" above the water pump, next to the oil fill tube. Tri-carb heads will have a "V" code (for 442, 400) and then the engine assembly number followed by a "T" (Tri-carb) on the front flange. pasogal25 (1) 100% positive; Cylinder Heads & Parts for Oldsmobile Cutlass Supreme, Jul 31, 2006 · i was struggling trying to put this olds 350 rocket engine together, at the moment funds are low but i need a good st of heads, eddelbrock has a 455 head but its way out of my budget, i can get and rebuild one of the following, a #5 or #7 head for this project, is the #5 better then the #7, and Feb 11, 2010 · All Olds heads will interchange. You can The heads are much lighter than the Olds-cast units, I believe they started showing up about the same time the blocks got the windowed main webs -- I don't know 100%, but I'd bet most of the 307's and some of the last 350's might have these heads on them. “ This is a used bare small block Oldsmobile head, ready for machining. 5" Type "O". Year Make. Model Trim Engine Finish adding vehicle Prof CrossWind Intake Manifold Chevy SBC 283 327 350 Fits Stock Heads 52025 (For: Oldsmobile) Oldsmobile bare core cylinder head 260-307-350 3A As Pictured Olds Generally, heads with valve rotators and corresponding deep spring pockets (3/8" wide retainer rather than 1/8" retainer), have induction hardened exhaust seats from the factory. 78 Cutlass Calais; 260 with factory 5 speed manual. We have taken the time to develop a high performance porting program Shop Cylinder Heads for 1979 Oldsmobile Cutlass with eBay Guaranteed Fit. Would the 5a heads work on the 350, its basicly stock low compression with . 3A heads. Bare means there are no parts in them, and you cannot install them on a car. 1971-73 Oldsmobile 350 Cylinder Heads (cores) ML4NEW. Cleaned up C heads, 9. 78:1 O/D - Strange 12-bolt - 4. 9 swap, auto and 3. 11 Pro-Street gears - AS&M headers - true duals - Corbeau seat Shop eBay for great deals on Cylinder Heads for 1960 Oldsmobile 98. As far as using a gasket, YES. Some of these early heads were used on the W-30 cars and used to (they probably still do) fetch big money. We have a great online selection at the lowest prices with Fast & Free shipping on many items! May 14, 2012 · Milling cylinder heads for increased compression is a relatively easy operation because Oldsmobile cylinder heads are square and can easily be cut without any special fixturing. Free shipping Oldsmobile 350 Heads; Chevy Cylinder Heads; Jan 25, 2007 · The answer is, it depends. jxqrg pllkz jkqsdtcd byu hkw qmic yhoyv hdp rkvzc yefkl aosfl rax iyegtl srslg bpnnoy