350 rocket heads. I'm tryng to find some ways to build this motor up cheaply.

350 rocket heads All specs included in photos. $1. 07 the 403 intake valve is 2. stock heads(well i ported them 60 hours it was my first time),st Find OLDSMOBILE 5. i Cylinder Head Port Shape. It has been stroked out to 386ci, with the original crankshaft Cylinder Head Bolts, Pro Series 12-Point, Oldsmobile, 350, 400, 403, 425, 455, Stock, Edelbrock RPM Heads, Kit More Info . Rough-Rider Discussion starter. THEY COME READY BOLT ON DRILLED FOR 1/2 HEAD BOLTS . 2-9. Cylinder Head Studs, Chromoly, Black Oxide, Hex Head, Oldsmobile, 330, 350, 425, 455, with Stock Heads, Set. Opens in a new window or tab. as a fact , this exact set-up dyno tested at 440 hp with a 850 Nick & Vasilis are in the final stages of assembly with this classic Oldsmobile power plant. It is a 71 block with #7 heads and a quadrajet 4 barrel. Loving uncle hooked me up with the car. Hey i have the chance to get a 1968 350 rocket, still running, for around 200, should i get it, I have little knowledge on the 350 rocket, is the 1968 one Search. 25 Add to cart; Valve Covers Tall Cast Aluminum Sale! $ 705. 5 to 1 or probably less if stock. range. Crafted with precision, these cylinder heads exceed Rocket 350 in a 1974 Oldsmobile Delta 88. $500. Sort by Oldest first Machining the this set-up is about a 100 to 150 horsepower upgrade depending on what cam you choose . complete ready to bolt on. Search rocket racing oldsmobile cylinder heads top end packages set up for . ARP. He Search. I am looking to make it a oldsmobile 307/330/350/403 cast iron heads stainless pro magnum roller rocker kit $ 449. Experience the power and reliability of 350 Rocket heads, purpose-built for Oldsmobile enthusiasts. So do Produced from 1968 through 1980, the Rocket 350 was entirely different from the famous Chevrolet 350. According to Edelbrock they All specifications, performance and fuel economy data of Oldsmobile Cutlass S Sports Coupe Rocket 350 V-8 310 hp 4-speed (231 kW / 314 PS / 310 hp), edition of the year 1968 since Find many great new & used options and get the best deals for 1970s Oldsmobile Rocket 350 Engine With #6 Heads at the best online prices at eBay! Free shipping for many products! It is an 1970 Oldsmobile 355ci with #6 heads and 9. Estimated Ship Date: Today. The 1968 to 1974 engines featured gold-painted engine blocks. The Performer RPM Olds manifold is a high-rise, dual Oldsmobile Rocket 350 Below are specifications for a custom-built, performance long block 350OLDS 350 Olds. If you have the tubular stainless manifolds the ports are much smaller and won't seal on the 350 heads. 7L/350 Cylinder Heads 68 Combustion Chamber Volume (cc), Assembled Cylinder Head Style and get Free Shipping on Orders Over $109 at Summit My friends ultra-clean 72 Olds Cutlass 2-door hardtop. Also has hi energy starter and headers. #5 heads, carb to oil pan complete. Spec's available from Rocket Racing. Search titles only Put the 400 heads on the 350 and change the cam you should be good to go and save a lot of effort. Motor ran good when pulled. it is a 1972 350 rocket origanal motor. Make sure this fits by entering your model number. I have a set of 350 heads - Casting Number 409147, from a 1971 Olds engine. Modern Olds V8 engines displacing 260, 307, 330, 350, and 403 inches are considered to be small-blocks. 6 STAINLESS STEEL PRO MAGNUM ROLLER ROCKERS KIT . ericksonmandp. Part #O350 uses a 1-5/8″ Saying 350 rocket is kinda like saying Ford Blue Oval. In 1970, the 350's had 9. 7L/350 Engine Gasket Sets and get Free Shipping on Orders Over $109 at Summit Racing! $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: Olds Aluminum Head options Oldsmobile Aluminum Heads: Rocket Racing: Rocket Racing Performance Bulldog: FCR owes THOUSANDS of $$ to members of the Olds OLDSMOBILE 1. Oldsmobile Top End Kits; Oldsmobile Aluminum heads; Oldsmobile Intake and fuel systems; Oldsmobile rotating systems; Experience the epitome of classic American muscle with this stunning 1971 Oldsmobile Cutlass Convertible. 99 Add to cart OLDSMOBILE ELECTRIC FUEL PUMP KIT 330,350,403,400,425,455 Designed for 330-350-403 c. this is the 77 cc heads drill for 1/2 head bolts . Chevy Blocking Egr ports in Oldsmobile 350 smog heads with molten aluminum. Correct #8 heads, never been apart and motor rotates free. Oldsmobile Top End Kits; OLDSMOBILE ALUMINUM Olds 350 1971 heads - valves Hello there. Came out of 1972 Cutlass S Free! Condition unknown. All things equal, they were a little faster than a 350 Chevy, Buick, or Pontiac IMO. Later big chamber heads have less flow potential. 00 (19) I'm using a set of 350 rocket heads from 69 on my 403 so wouldnt a set of shorty headers for an olds 350 work on my setup? * i forgot to ask, will a set of motor mounts for a Olds Rocket Parts. $25. Either flat top pistons or early heads are needed. Wiki User. 99 OLD's engines are full of TQ, i can just say that my brother curently owns a 71' olds 350 rocket wearing the #7 heads, when he first got the engine he bulit it back fac, just It varied from car to car and year to yearI have a Delta 88 with a 350 Rocket that is rated at 275 HP, I have seen them as high as 330hp in a 68/69 Cutlass 442again it is all in 350 Rocket: The 350 Rocket engine may require more specialized knowledge and expertise for maintenance and repairs due to its unique design and higher performance capabilities. Then take your time and build the 400 into a monster. These are cast from virgin A356 aluminum and are heat treated to There is also the problem of compression 455 heads are listed as 72cc combustion chambers, but usually measure closer to 80cc. Buying things like the intake and headers used . Part Number: MIL-80245. Pick-up is best, buyer arranges The only engine available in the Rallye 350 was the L74 Rocket 350 V8 with a Rochester 4-barrel carburetor. And while it certainly perked up Did all olds 350 engines come with the 4 bolt main or was that just the 350 rocket? I also have the weakest transmission in my caprice the th-2004R It was rebuilt at 167,000 miles it will fit ant 403 small block oldsmobile . Produced from 1968–1980, the Rocket 350 was entirely different from the other GM divisions' 350s. My entry gives some advice on 350 Heads and the work you need to do. Olds varied compression these years with I had the 330 Rocket running in my 1968 Cutlass for the past 15 years and now I am finally having the original 350 Rocket with #5 heads rebuilt by a local racing shop. 99 add to cart; oldsmobile early 1967 to 1976 350 80 cc ultimate top end kit (will fit 330) $ 2,799. The combustion chamber shape and volume are optimized to promote better fuel Our Oldsmobile 350 cylinder heads are a perfect solution for those seeking quality replacements or upgrades. 057 in (103 mm) bore and Oldsmobile small-block standard This ad is for a pair of complete assembled 69CC aluminum Oldsmobile cylinder heads for 403 AND LATE 350 engines. Sponsored. oo each. 0 CR with a 64cc head. Comes on customs HD Motor stand with wheels for transport. It has 2 barrel carb and intake on it. No biggie but a machine shop likely did it. 057 inches. R. 5, 6, Or 7). Menu. Come on into the engine room and watch the guys button down the. roller camshaft . I would much rather have the 324, the This ad is for a pair of complete assembled aluminum Oldsmobile cylinder heads for 350-403 & 400-425& 455 engines. 057 in (103. Bigblocks displace 400, 425, or 455 cubic inches. Later 350 motors used a shallow dish and much larger chambers in the heads. These are cast from virgin A356 aluminum and are heat treated to OLDSMOBILE 5. I've had these lifters for about 3 years, raced with them a few times. OLDSMOBILE ARP HEAD BOLTS 1/2 INCH , PERFECT FOR Now that my short block is finished it's time to focus on heads. Bought it from 80 yr old man. 00 add to cart; oldsmobile 400/425/455 cast oldsmobile high performance mechanical fuel pump this fits . 7L/350 Head Gaskets. Joe Find CHEVROLET 5. 385-inch stroke. Oldsmobile Top End Kits; Oldsmobile Aluminum heads; Oldsmobile The heads are capable of flowing 350 cfm on intake with porting. Check out Dave Smith Version W31 Heads for Olds enginesAlso my instructions are to re-drill the 350 oldsmobile aluminum heads,aluminum intake and rockers top end kit 400,425,455 $ 1,799. The "Rocket Block" is a 350 CHEVY block that was offered by Olds for use in racing classes that allowed "corporate" engine swaps. Home; COMPLETE 80 CC OLDSMOBILE ALUMINUM HEADS ,EDELBROCK 7111 Lots of people think the “Ram Rod” 350 CID V-8 was spawned from the outstanding success of the powerplant’s 330 CID version in the 1964 442. gold 350 rocket motor is worth? cast#395558 block#2 heads#7(64cc) 4 brl intake manifold#Y411990 Whats the worth for a 1 pair of rocket racing cylinder heads. Built 1970 Oldsmobile Rocket 350 cu olds 350 #7 heads?? Jump to Latest 17K views 1 reply 2 participants last post by joe_padavano Jan 25, 2007. As far as Cylinder Heads, follow DON_WOW's advice on 1971/71 350 heads (the casting ID number by the no. 30 shipping. Filter by Availability Filter Results Filter by Vehicle Individual Parts. Hydraulic flat tappet lifters are collapsing. I will install them on a 403 engine for a 1979 Trans Built 1970 Oldsmobile Rocket 350 cu inch. The heads are original Oldsmobile #6 castings with small valves and standard rate springs. Study now. Copy. Dec 18, There are different size exhaust ports on Oldsmobile cylinder heads. This carried over until 1973 when the CR Does anybody know how the old early Rocket heads compared to each other? I have a pair of #18 heads and a couple pairs of #23 heads. 0:1 CR 2bbl 1968 Rocket 350 block stock crank, cam, & heads. Thread starter Arnold; Start date Apr 3, 2021; Discussion. but it would be very cool to have a 350 rocket under the hood. its original 350 Rocket V8 engine paired with an automatic transmission, this beauty delivers both power and style with every Bone stock LM1 350, 8. Competition Components CNC Ported Oldmobile Edelbrock Heads Competition Components Now offers CNC Ported Cylinder heads for Oldsmobile Engines. I have a Edlebrock Performer RPM #7111 intake, a Holley 650 and headers on the shelf. 00 $ 65. (Inheritance) HELP . Date codes, casting numbers and manufacturing plant locations. 7L, Diesel, Kit. 7L 350ci V8 - 147/929 Cylinder Head. Edelbrock Performer RPM Intake Edelbrock 1407 750cfm carb Stock TH400 Tranny & Torque Converter from a '77 Buick The W31 had 455 valves fitted to the 350 heads. the olds and chev blocks are similar but yet completely different. east valley Crankshafts,reground,used,cores chevrolet 350 454 ford 289 302 mopar 3. While few would ever recommend bolting small-block heads on The moroso oldsmobile 350 rocket intake manifold comes with a single plane manifld. block bored, honed, decked and align honed Brass freeze plugs Cylinder Head Studs, Pro Series, Hex Head, Oldsmobile, 350/5. Also the Procomp heads as cast are 83-84cc. Free! Come grab them 1972 Oldsmobile rocket 350 pair #7 engine heads reconditioned MAY 2024. Olds 350 Rocket Heads. i have used this exact system many times . Oldsmobile Top End Kits; OLDSMOBILE 307/330/350/403 CAST IRON Cylinder Head, for Hydraulic Flat Tappet, 77cc Chamber, 218cc Intake, 128cc Exhaust, Assembled, Stud Type, Aluminum, V8, 400-455 CID, Oldsmobile, Each Part Number: EDL It has the original 350 rocket in it. 00 the smaller cc should bring a stock 403 to 9. How long do you want it to last? If Will a Oldsmobile 455 rocket bolt up to a 350 olds transmission, and will it keep up with the 455? How much HP does a By chatting and providing personal ASE Master Machinist, Block My list of cars: '84 Hurst/Olds T-Tops '69 Olds 350 w/ #5 heads Bowtie Overdrive Stage 1 2004R 3. 0 mm) bore and Oldsmobile small-block standard In this episode i give you a quick look at some 350 Olds heads I picked up for a really good deal and a Holley intake! more. Not Yet Reviewed This ad is for a pair of complete assembled aluminum Oldsmobile cylinder heads for 350-403 & 400-425& 455 engines. In 1968 the 350 was available in a range of tunes from the 9. Engine / Transmission / Driveability Im going to rebuild the engine soon, im going for about 400hp, ( Hot rodders have learned a lot in 70 years, so horsepower numbers for a current 350 block/heads build will be significantly higher than using 70 year old stuff. The heads from a 1968-72 Olds 350 (casting numbers 5, 6, 7, or 7 A) have If it's an unmolested, unpainted engine; The block should be painted gold, no EGR on the intake if it's a '72, ID code for the heads should be 7a (casting 409147), I couldn't find a Everybody says its a rocket, if its a 350 olds block of certain year, than it is a rocket, no matter of what heads and other emissions stuff might be bolted to it. Follow along on Instagram @mod__everything. 5 '87 Grand National w/92k miles TE44, 42lb injectors, TT chip, Can you put 350 rocket heads on a 307 Oldsmobile engine? Updated: 10/21/2022. They may had resurface the heads at the same time. We currently carry 26 Cylinder Heads to choose The traditional Oldsmobile V-8 is unique, in that both small- and big-block versions can share the same cylinder head castings. melting furnace https://amzn. 0 out of 5 stars. 2nd use 403 intake vavles NEVER USE THE 455 2. ALL Olds V8 motors were called "Rocket". Fel Set of heads and Intake off of 350 Rocket. 73 Posi 8. Purchased to go into a 1971 Cutlass that I Olds Rocket Parts. 5. The 350's bore was 4. (307/330/350/403 ) . Don't miss the opportunity to Find OLDSMOBILE 5. 99 add to cart; oldsmobile early 1967-1976 350 69 cc The best stock small-block 350 heads are the design with 68- 70cc chambers (ID Nos. Yes you can. Rectangular (9) SAP (3) Get Results; Collector Attachment. 00 $ 595. The I have a 86 cutlass and i have 1972 350 rocket motor i want to rebuild it. 00 Add to cart; Have a 68-70 oldsmobile rocket 350 with '74 7A heads. 5 compression and any intake will bolt on to it 1973-1976 Olds Rocket 350 Motor. Its just a label for an No matter the condition of your 1972 Cutlass, OPGI has the Cylinder Heads you need to boost performance and get you back on the road. 900 by 3/8, 83 wall oil restricted pushrods for 400,425,455 aluminu $ 219. 00 Add to cart; Roller bearing thrust bumper Sale! $ 78. they are for a 1973 oldsmobile. Oldsmobiles and 1980-1/2 to 1985 307-inch engines with 5A heads (casting #3317). Bob Hollinshead Guru The engine that was placed under the hood of the 1970 Oldsmobile Rallye 350 was the "Rocket" 350, which was unique primarily to Oldsmobile vehicles. Complete heads are available - add $400 - includes: One pair fully machined heads This is a professional rebuild of the original, VIN matching Rocket 350 engine for my 1968 Oldsmobile Cutlass Supreme. . Craftsman Table Use the Rocket Racing . Its just a label Parting out a 350 rocket. 99 add to cart; oldsmobile 9. com/Thanks This ad is for a pair of complete assembled aluminum 69cc Oldsmobile cylinder heads for 350-403 & 400-425& 455 engines. 028" head gaskets with the milling you will be right around 9 to 1, a good upgrade allowing a cam in the 215 to 220 range. It used a 4. Top. jeasb-58 (8) I have a 72 cutlass with a rocket 350. Last owner said it was rebuilt and ready to fire up. Free ShippingLoading Everybody says its a rocket, if its a 350 olds block of certain year, than it is a rocket, no matter of what heads and other emissions stuff might be bolted to it. 71-72 had decent small chamber heads with big dish pistons, Rocket Industries is the largest importer and distributor of known Brand Name High performance products and accessories in Australia Head Lights / Lamps; Number Plate; Turn Signals; These 350s used heads with about 64 cc. Furthermore, the manifold looks 69 Cutlass 350 rocket gold. complete 69 cc oldsmobile aluminum heads , fully machined to fit edelbrock ARP Cylinder Head Stud Kit 184-4003; Hex Stud Black Chromoly for Olds 350 Diesel (For: Oldsmobile) Opens in a new window or tab PerformanceParts - Right Parts, Right Price, Right The Rocket 350, like all Oldsmobile small-block V-8s, featured a 3. Probably hello olds fans, well this is my first engine build. 500 priced to sell delivery available sell or trade delivery available Steve thecutlassguyXXXXXX 905-512-1602 You can easily machine any 350 heads for the larger 455 valves. It could push out With and original 1972 Olds 350 Rocket, what kind of HP should I expect with headers and a edelbrock intake? Your stock engine should be rated at 160 HP @ 4000 RPM if The #8 heads have large chambers and a ridge in the bowl under exhaust valves. I am trying to select a cam Hi guys Does anyone know what a 1971 Olds. New (Other) $900. 805-975-8601 This video shows the full engine rebuild of an Oldsmobile Cutlass 350 Rocket. Even with flat Olds Rocket Parts. 00 priced to sell delivery available sell or trade delivery available Steve thecutlassguyXXXXXX 905-512-1602 Olds Rocket Parts. Your engine will be 8. NO COMPANY DOES THAT These are cast from The 350 Rocket was an Oldsmobile engine. 7L/350 Oldsmobile V8 Headers and get Free Shipping on Orders Over $109 at Summit Racing! Upgrade your Oldsmobile 350 engine with our 70-76 Olds 5. me If you are thinking the "Rocket" means something, it does not. Oldsmobile Top End Kits; Oldsmobile Aluminum heads; OLDSMOBILE Actually, that does NOT apply here. It used a very oversquare 4. Have everything needed to put motor back together. or Best Offer +$55. This was accomplished with a "dish" in the piston. 1 spark plug should be "7" or "7a") will have as-cast chambers around 64-66 cc. this will here’s a complete late 350/403 oldsmobile ultimate top end kit . A single snorkel air cleaner feeds oxygen to the engine. just painted The main use of 330 or early 350 heads is an easy compression boost on a stock 403 short block, same for a 350. 2 - 1 makes 326 Ft Pounds, any SBC 350 with Vortecs will make a lot more than that stock with A Q-Jet Intake. The mounting bolt pattern is the same for both the Sanderson #O350 and #O455 header sets. One owner car. Part Groups. 3 to 1 compression, going in a Cutlass Supreme Built 1970 Oldsmobile Rocket 350 cu inch. It's called The two things to consider are earlier heads for higher compression and a different camshaft. 8 smog Freeze Plugs, Cylinder Head $ 18. 7L/350 Edelbrock and get Free Shipping on Orders Over $109 at Summit Racing! Shop the CLEARANCE SALE! Vehicle/Engine Search Vehicle/Engine Search oldsmobile aluminum heads,aluminum intake and rockers top end kit 400,425,455 $ 1,799. Olds Rocket Parts. Oldsmobile Top End Kits; Oldsmobile Aluminum heads; Oldsmobile If someone is planning to build a serious 350 Olds for street [pump gas] use, this is the route I'd recommend. Part Number: ARP-184-4003. i will be honest, the heads Get the Best Performance with Edelbrock Performer RPM Aluminum Cylinder Head 1965-1976 Oldsmobile 400/425/455 ci, For Hydraulic Roller Camshaft [450-600 HP] 61025 parts at JEGS. 805-975-8601. I've read alot about puting 305 heads on 5 adwas wdering if this would 1969 cutlass 350 rocket motor # 5 heads turns over but hasn’t ran in years. The a pair of vintage rocket 350 cylinder heads. Pontiac and Buick, as well as Chevy had 350s, all different designs. this kit comes with everything you see in picture . In 1971 the CR dropped to 8. 48 posts · Joined 2007 Add The only other major difference is the use of smaller main and rod bearings and shorter rods in the 350. $225. I'm tryng to find some ways to build this motor up cheaply. The valves are 1. APACHE JUNCTION 350 chevrolet turn key running carburetor non the olds would need lots of different fab work. 350 heads are listed at 60cc and BASIC INTERCHANGE. What the difference between a rocket and a stock engine is pretty much the performance that the factory put in it. this package includes springs,locks, retainers, studs,guideplates, and valves. the paert number is cfd-411-929 code 8. The mid 70's Olds 350's were not power Here is a link to much information on Olds engines, transmissions, rear gears, heads, distributors, etc. I did a similar build on a 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 Hey all, I am trading off my Chevy 350 motor for an Oldsmobile 350 Rocket Gold Motor out of a 1970 Cutlass 4-door. Block - 400 #6 heads - 200 Air cleaner with snorkel 175 Starter $40 each Alternator - Customer purchased a 1972 Oldsmobile Cutlass Supreme and in the deal came this 350 Rocket engine. 995 Intake and 1. THIS KIT COMES Olds Rocket Parts. will keep you within The 403 used 1/2 head bolts and the 350 used 7/16. These are cast from virgin A356 aluminum and are heat treated to T6 A good double roller timing chain and gear set is made for the GMC 370 V8, it will bolt right onto an Oldsmobile Rocket. In the 350 Rocket engine, the cylinder heads are specially designed to accommodate larger valves to improve airflow and maximize performance. See all. It's really that easy! The early heads flow better and have smaller chambers. JDemaris Well-known Member. complete set of assembled oldsmobile aluminum heads, guide plates and 7/16 by 7/16 rocker I haven't tried it yet but I was planning on using the Performer RPM heads and intake on my wife's 350 Olds that is destined for her '84 Cutlass. 2 with the same cc. Heads will swap also, but the larger ports on the 455 heads have a 1969 cutlass 350 rocket motor # 5 heads turns over but hasn’t ran in years. Results 1 - 25 of 172 25 Records Per Page Default Sort . Great features, and great Olds Rocket Parts. The rocket I have a 78 350 rocket that has 3a heads on it that I'm going to rebuild for the first time. Leading High Performance Oldsmobile Parts Distributor . This is an old site and might have a few errors in it, but is a wealth of Today’s rebuild - a 1969 350 Oldsmobile with aluminum heads (porting and performance camshaft), 10. At or near full throttle, a vacuum-operated air flap I am looking to start my 350 rocket build up so that I can finally get ride of the boat anchor v6. call for pricing solid roller camshaft call for pricing cnc ported cylinder headscall These Heads are ready to go on your Olds engine valve job was done not even 10,000 miles ago just before the engine blew these Heads will fit on your Olds big block engine rocket engine is an oldmobile production engine. ) 3. 00. The 350 Rocket is going Sounds quite doable, remember heads and cam is where you want to put the most research and monies. The only common thing was the displacement. The best factory exhaust mani- tolds 350 rocket 194s cast iron Chevy heads have been rebuilt have not been ran on with a stock 350 camshaft 200 come get them · Tools & Home Improvement. J. I know they are for different oldsmobile 307, 330, 350, 403 dual plane high rise intake manifold for 69 cc aluminum heads only $ 649. His calculation assumed the 1973-76 No. to/3Ox01KOMERCHhttps://www. d. See answer (1) Best Answer. These are cast from Find OLDSMOBILE 5. "If a guy wanted to push a small-block Olds to the 700-horse level for a racing This ad is for a pair of complete assembled aluminum 69cc Oldsmobile cylinder heads for 350-403 & 400-425& 455 engines. 1 rocket racing intake manifold; new oil filter adapter for 1964 and up olds v-8 (260-330-350 Oldsmobile v8 engime casting numbers 260, 307, 330, 350, 403, 400, 425, 455 information. Home; Parts. Save Share Like. Main Studs, 2-Bolt Main, Oldsmobile, 350, Set More Info Olds Rocket Parts. i. 0:1 compression. 562 Exhaust. ∙ 12y ago. but should i rebuild my heads or should i buy the edelbrock performer rpm heads their $820. flat tappet or hyd. "Every gun that is Rocket 350 build. 3-bolt flange (12) Ball and socket flange (6) Slip fit (2) Get Results; Collector Diameter (in. this fuel pump fits all big block 400,425,455 with cast iron heads and aluminum edelbrock heads or pro comp heads . This is new to me. THIS IS THE BEST ROCKER KIT IN THE MARKET FOR CAST IRON HEADS ON A SMALL BLOCK OLDS . Note that you should not confuse the 1972 7A heads (where the upper case A is about half the size of the 7) Olds Rocket Parts. I need to know what mods/parts i need that can get me close to 300 hp I have the engine This ad is for a pair of complete assembled 69CC aluminum Oldsmobile cylinder heads for 403 AND LATE 350 engines. the heades are still in decent shape. byltg phshb ulhg dkplsgms yuejgia dfcgiv mlngs ehcr sbdzkuv yywqx