304 performance upgrades. 28 Valve Springs Set+$50. Enhance your vehicle's performance with our trusted selection. Unfortunately, I haven't built an AMC motor in about 20 years (401s & 360s), so I'm guessing that the brands and parts *1977 And Older 304 & 360 CID V-8 Engines With The Prestolite Electronic Ignition. 0L Duramax 304 - Stainless Steel DPF-Back Performance Exhaust Kit (Single Exit) Las Vegas, NV — Pacific Performance Engineering (PPE) has launched the DPF-Back Performance Exhaust Kit, designed to improve fuel economy, reduce back pressure, increase power, and enhance engine response. Previous A-Team Performance - Silicone 8. Turbo charged engines need as little exhaust restriction as possible in order for the turbo to spool up faster and work more efficiently. Mods include 1-5/8" Hedman Hedders, 3" dual exhaust, & Flowmaster's Delta Flow 40 Series Mufflers. (*If you have a 304 or 360 CID V-8, 1977 or older, I urge you to read this *) There are three upgrades listed below: Aug 13, 2025 · SUPPLIERS OF HOLDEN V8 AND LS CHEV V8 PERFORMANCE PARTS Build it. Shop with Afterpay on eligible items. 304's have very low compression, so first internal performance mod is to increase the compression ratio with some higher compression pistons. Put in half length dual exhaust and replaced the 2 bloody intake with a spread bore offy 360 and Holley 60 dbl pumper. Ok guys spring is starting to hit Missouri. Details are key, and are what separate two otherwise identical engines. Go to their site and do a search for AMC 304. just like the problem the 305" Chevy has with not being able to use big valve heads. Holden V8 Engine Parts 253 304 308 Total Performance stocking all things for Holden 308 performance upgrades. Jun 5, 2023 · Learn how to boost the power of your 305 engine with these budget-friendly upgrades and mods. 0:1 to 8. Break it. Each kit is custom assembled using parts based on your engine’s requirements. The premium 304 stainless steel material won’t rust or fade. The similarity in displacement is purely a coincidence. The Prestolite Distributor can easily be recognized by the large vacuum advance canister just below the distributor head. The right cat-back or performance-oriented system can reduce backpressure, sharpen throttle response, and deliver a deeper, more aggressive note without drone. 95 ISKY High Performance 270 Duration Camshaft for IH 266, 304, 304 or 392 V8 Engines $399. Follow along as we outline the trouble spots in the AMC V8’s distributor lubrication scheme and show you how to counteract them. Check out our range or call & speak to one of our experienced engine builder Speedway Motors has the best 304 International performance parts on the market. Order now! Find the IH 304-345 1961-1981 Cam Kit and many other engine rebuild parts and supplies at Northern Auto Parts. 67 Quantity Add to Cart Description • Gaskets Set with Seals • Piston Set with Pins • Rod Bearings • Main Bearings • Piston ring Set Shop for top-notch Jeep 304 (5. 0 mm Spark Plug Wires Set Ignition Accessories Automotive Wire Kit - Compatible with AMC Jeep V8 290 304 343 360 390 401, Red - Durable to Withstand Wear and Tear 173 $3395 FREE delivery Sun, Jul 6 on $35 of items shipped by Amazon We offer a large selection of replacement engine parts for CJ5, CJ7 & CJ8 with AMC 304 V8. Great low end torque. 75" bore x 3. I'm trying to build a rock crawler so I'm not really concerned about the speed aspect. 6 in. The small bore is why none of the good big valve AMC heads will work. Modern forged pistons are also quieter than older designs. Any existing mods? Easiest as already stated are breathing mods, long headers and a big single (3") exhaust will be good to start with. (*If you have a 304 or 360 CID V-8, 1977 or older, I urge you to This is our rebuilt 304 AMC V-8 shortblock engine that includes block, crank, connecting rods, new pistons and rings, new bearings, has new stock camshaft with standard single steel timing chain and gears. From mild to race and the popular 500hp Holden 308 top end kits and the Holden 304 engine parts. 04 $886. Click or call 623-434-5277! Free Shipping! 4” 304 stainless steel high flowing DPF-Back system single exhaust. I bought this Scout for fun Apr 18, 2007 · First of all, I know you cannot get a 4BBL on a 304 with a stock manifold. Some AMC models I would like to own in the future if I have the chance are the 1977-1979 AMXs, 1978-1979 Jun 2, 2010 · Get rid of it and do a search on the TeamRush upgrade. To allow you to do that, you'll have to get a distributor from a 78+ 304 or 360. In stock and high quality Holden 304 performance upgrades, Rebuild kits, Power upgrade, Holden 308 stroker kit. Nov 12, 2012 · To build a supercharged AMC 304 engine for a Jeep YJ, consider these points: * **Pistons:** For a supercharged engine, forged pistons are generally recommended for their strength, though hypereutectic pistons can work for low boost applications. ? My truck is a 1968 1200c 4x4 THINKING OF UPGRADING YOUR HOLDEN 253 308 304 355 V8 WITH VN STYLE CYLINDER HEADS THIS IS THE COMPLETE PACKAGE FOR YOU! THIS PACKAGE WILL BOOST YOUR ENGINES TORQUE AND HORSEPOWER THIS PACKAGE INCLUDES ONLY QUALITY PARTS AND BRAND NAMES NEW 600 CFM QUICKFUEL BLACK DIAMOND CARBURETTOR VACUUM SECONDARY, SQUARE BORE WITH ELECTRIC CHOKE NEW BLACK Read More "Holden V8 253 308 304 355 VN Manifold We have a range of Holden V8 parts available andwill be continuing to list them on our website. This kit is not just a collection of parts; it’s a gateway to Sep 24, 2018 · ATI Performance Products also makes available AMC harmonic balancers. Is the 304 I have worth keeping and rebuilding? Is the 345 really a significant upgrade in performance. 360's are hard to come by in my area, since I have a AMC 304 , I might as well build it up. May 19, 2025 · 2023 – 2025 GM 3. I am going to do a one piece axle swap and run either 354 or 373 gears. , 1. Apr 1, 2021 · Performance camshaft. in fact, it is similar to Chevy's 305" engine, the 304" AMC is 3. 5, 232, 258, 304, 360, 4. The Builder Motor: 1974 SV345A block currently Jan 28, 2022 · This discussion applies to AMC’s from 1967 and on: 290, 304, 343, 360, 390, and 401 cubic inch varieties. Does anybody have a great AMC 304 there really happy with and what have you done to it, such as cam, timing set, roller rockers, 4bbl etc. Get the best deals on 304 Auto Performance V8 Parts. Feb 3, 2010 · what are some performance mods i can install when i go to rebuild my 304? Also what are some superchargers seen and adpated on the 304? Mar 4, 2010 · I recently purchased a 304 V-8 with a Edlebrock Air Gap Manifold and I am looking at rebuilding it. 07- and 6. This system is rated for up to 550 HP. Feb 17, 2005 · I have just completed a full restoration on my 74 CJ5. The Jeep 304 & 360 CID AMC V-8 from 1978 to 1990 are eligible for this upgrade. Shop today! Since we test every engine we build, when you purchase a MABBCO® kit, you know the parts you are getting are parts which have proven reliable through yearsof actual testing. Among the myriad of options available, the AMC 304 rebuild kit stood out to me as a pivotal component for those looking to restore the power and performance of their beloved engines. (*If you have a 304 or 360 CID V-8, 1977 or older, I urge you to see below*) There are three upgrades listed Shop premium engine parts for Jeep L-134, F-134, AMC 150, 232, 258, and 304-V8. 44" stroke. 281" VALVE LIFT: . I have an AMC 304 w/ 20k miles in excellent condition. OPEN: 18 BEFORE TDC CLOSE: 58 AFTER BDC CAM LIFT: . We specialise in Ford, Chevy, Holden 304/308, LS1, LS2, LS3 and Chrysler/Mopar muscle car engines, with trusted names like Edelbrock, Comp Cams, SCAT, ARP Sep 23, 2005 · I have a stock 304 soon to be mounted to a 5spd t-36 and ive gone over my options and ive found that 304s are the best for the power to gas milage performance. It was snappy and reliable. 0L) V8 engine parts. In stock Holden V8 engine parts, 355 stroker kits, Edelbrock 304 VN alloy cnc cylinder heads & Holden 304 top-end kits for your Holden 304. Jun 23, 2003 · I've got a stock 78 CJ with an AMC 304 and I'm wondering what I should do to it. My question to you all is how to make this thing rev faster, create more power, more torque and so onI know that this engine runs Dec 16, 2007 · Exactly the same amount of money for parts, but performance potential is much greater, and were a AMC 304 unbolted, a AMC 360 or larger will bolt right back in! Customizable Options: Year/Make/Model* Bore Size* Rod Bearing Size* Main Bearing Size* Add Engine Parts to Kit Intake Valves Set+$69. And that for stock aplication thay do not sugest this upgrade. 00 0 Check Out Our YouTube Channel Jun 30, 2004 · Summit does have some performance parts for the 304. RPM RANGE: 1800-5000 Valve lift is calculated with zero lash and rocker ratio of 1. Give your Tundra the performance upgrades it deserves by checking out our entire selection of of parts and aftermarket accessories from Stage 3. There are lot's of performance parts options. Jun 9, 2007 · Trying to get more power out of my stock 304 V8 (1980) with 90,000 miles This engine has all factory vacuum line connections, air pump with air lines to exhaust manifolds, catalytic converter, vac advanced distributor and carb and original air filter manifold with a ton of vacuum I'm wondering what's a better 304 Edelbrock dual plane? The SP2 or the RPM Performer? I wanna Jan 21, 2002 · The 304 does have a problem with oil distribution in the engine, but there is a fix for that. 12 Rocker Arms+$449. 0, 4. Welcome to Dave Poske's Performance Parts (DPPP). 5:1 for boosted For Dodge Charger Scat Pack models with the 6. The Holden V8 responds well to exhaust upgrades. I'm just curious how far AMC performance parts AMC engine parts AMC racing parts AMC transmission parts American Motors Corporation 304 360 390 401 AMC stroker engine parts on Sale. The company has since evolved and grown to meet the expanding needs of enthusiasts, but the underlying passion for innovation, performance, and quality remains. Aug 4, 2016 · If you want parts for your 304, call IH Parts America (530)274-1795 for we May have all the performance stuff you need. Below is a curated selection of exhaust components and related options designed to complement the Scat Pack’s Hey guys, pretty new to the amc world, have a 71 javelin with the 304. Nov 10, 2021 · V-8 DISTRIBUTOR UPGRADES WILL NEED A DIFFERENT ALIGNMENT TAB FOR THE UPGRADED CAP! The Aussie Holden 253 & 308 engine range manufactured by Aussiespeed Performance Products includes performance manifolds, tall alloy rocker covers and roller rocker spacers, timing covers, single and multi carb tunnel rams and 4 x Weber Quad inlet manifolds. Other option is a SBC swap engines run $1500 from the dealer plus your adapters and such. Jan 7, 2013 · Does anyone make any performance parts for the 304? I'm just looking for a little bit bigger cam so I'll get more of that lopped exhaust I saw scouts parts have some but I'm not sure about them and I've searched this a lot and that's the only place with anything so far. AMC 304 Parts in-stock with same-day shipping. I caught the “bug” and can’t keep myself from spending money and time on this thing. From the original 253 first featured in the Holden HT through the 308, 304, and 350 stroker featured in later Commodores, these engines are known for their distinct exhaust note and excellent power capability when fitted with performance upgrades. OPEN: 61 BEFORE BDC CLOSE: 21 We are the original manufacturer of the after market Billet aluminum high ratio roller tip rockers for NAVISTAR, TRAVEL ALL, BINDER, SCOUT, SCOUT II, IH-V8, 345, 392, 304, 266, 1. 0 L) SV "Comanche" V8 engines are sometimes mistaken for the AMC 304, however, the IHC V8 engine family has no relation to the AMC V8 and was in fact first produced in 1959, 11 years prior to the AMC designed 304. Two diameters, 7. AMC performance parts AMC engine parts AMC racing parts AMC transmission parts American Motors Corporation 304 360 390 401 AMC stroker engine parts on Sale. Mar 3, 2024 · The AMC 304, 360, and 401 cubic-inch V8 engines may be overlooked by some, but they remain a key piece of American automotive history. Do your research on the right cam, valve spring setup. They have intakes, carbs, ignition stuff, pistons, roller timing chain,and cams. Currently has a smogged 304. I'm planning on a fairly mild build - nothing too radical - just looking for some good throttle response and dependability. And you want more performance out of your 304, well that's kind of hard. Ready for your completion and install in your classic AMC or Jeep vehicle. This MABBCO® Master Engine Kit is for an AMC 304 5. Fix it. 95 AMC-Jeep Engine Rebuild Kits from Northern Auto Parts Enhance your AMC or Jeep's performance with our reliable engine rebuild kits, designed to cover a wide range of models including the 2. 4L V8, upgrading the exhaust can enhance both sound and performance. 95 ISKY Performance 262 Duration Camshaft for IH 266, 304, 304 or 392 V8 Engines $489. While that oft-repeated saying has been tossed around so much as to be threadbare, that doesn’t make it any less true. So here it is, not stunning by any means when I pulled it out. . When I first embarked on my journey to revitalize my classic vehicle, I quickly discovered the importance of a reliable and high-quality rebuild kit. This comprehensive guide will delve into the various options available to breathe new life into your 304, helping you unlock its hidden potential and tailor it to your specific needs. The horse power and torque specifications of the last version of the 304 narrowly beat the 258 use at this time. We stock a full line of components to build Pure Stock, Modified, Semi-Late, & Late Model Dirt and Asphalt Race Cars. Any Jul 12, 2000 · 304-360 AMC V-8 Ignition Upgrade, \'78 to \'90 Ignition Upgrade For Jeep 304 & 360 CID V-8 AMC Engines. Has anyone built a great Rebuild your 1961-1981 IH 304-345 Scout engine to factory performance with Northern Auto Parts' Master Kit, including Flattop Pistons. 360 way easier to find parts for and engines can be found running for around $600. And likewise, I would not use an Edy on an offroad machine. After that distributor is installed, you can do all of the TeamRush upgrades. 325-inches are offered, and you have the option of a two-ring (six-groove retained durometer O-ring) or three-ring (eight-groove retained O-ring). Does anybody have a great 304 there really happy with and what have you done to it, such as cam, timing set, roller rockers, 4bbl etc. Jul 1, 2011 · Whether you’re starting with a pedestrian 304, a smog-laden 360, or even a 401, here are some areas on which you can focus your attention to put the spark back in your engine’s mojo. Learn all about the AMC 360 engine including specs, reliability, top mods, & more. Dec 13, 2024 · Building a 304 certainly isn't cheap, but one advantage is that if the 304 ever STB's, I can pull literally everything performance-wise off the engine and reuse on a crate 360 replacement, which will fit right back in there without hassle or expensive adapters. How much of a difference will that make power wise? Any other suggestions for performance mods? The more advise, the better. 87 Exhaust Valves Set+$75. The patented ATI Super ACCEL Performance fuel injectors provide precise control of fuel delivery and atomization for increased power, improved throttle response, and better fuel economy. Feb 7, 2011 · I am the third owner of a 1979 Scout II with a 345 and 3-speed automatic. Dec 13, 2024 · I'm getting ready to build a new 304 for my CJ-7. This "afordable fuel injection kit" says that the performance throttle body is recomended only for 392 and amc 401 v8 applications. Repeat 304 Offroad Gear Arctic Cat / Textron Can-Am Gravely Honda John Deere Kawasaki Polaris Yamaha Universal Accessories 3D Print Shop Automotive I recently purchased a AMC 304 V-8 with a Edlebrock Air Gap Manifold and I am looking at rebuilding it. 450" EXHAUST TIMING DURATION: 262 deg. DOWNLOAD KAWASAKI CLUTCH MODIFICATION FORM Order & Tech Support: 304-877-3419 Order & Order Status: 304-673-2602 my account $ 0. $349. Jul 1, 2013 · General engine performance mods are like any other engine. All of the smog hardware has been removed. Thanks!!! Looking For Holden Engine Parts, Superformance Can Source & Supply Holden Performance Engines for new builds and rebuilds, parts and accessories. ? 034Motorsport was founded in 2005 with a passion for bringing motorsport-quality performance upgrades and tuning to Audi and Volkswagen vehicles. Several ATI Super Dampers are listed for AMC 304-401 engines, including units for internal and external balance crankshafts. I have a T-15 transmission, Dana 20 Transfer The Edelbrock Pro-Flo 4 EFI System is a direct bolt-on plug-and-play unit with advanced Android wireless Bluetooth ECU tuning that features a throttle body with advanced sequential port injecting for peak performance. Decent vacuum at idle. Most people swap in an AMC 360 or 401. I've heard of people boring out the cylinders to fit standard 392 pistons, but all that work isn't necessary for a 304. Mar 30, 2022 · Engine expert Richard Holdener pulls some performance out of the trusty TPI 305 small block Chevy engine—with dyno tests to show it. I just got rid of the Prestolite system in favor of the Duraspark for that very reason and couldn't be happier with the results. these upgrades will greatly improve the way you're jeep runs on and off road The International Harvester Corporation 304-cubic-inch (5. This site has been tremendously helpful in researching my build after I get my machine work done. Oct 26, 2009 · Hi there, I have an opportunity to buy a stock 304 V-8 and swap out my 258 I-6. (If you have a 304 or 360 CID V-8, 1977 or older, I urge High quality Holden 308 & 304 performance upgrades at Total Performance. Four Inch Performance Exhaust Upgrade - 304 Stainless Steel Keep your truck’s good looks going with this stylish upgrade. Fits ALL IH International Harvester 266, 304, 345, and 392 V-8 engines. Yes! We build the best performance engines available, anywhere. My jeep is mostly going to be a street jeep with a bit of Oct 2, 2015 · An age old hot rodding adage goes something like: “An engine is more than the sum of its parts”. But to answer your question, either system will work fine with the TBI. In fact, many performance engine merchants you find market and sell S&J performance engines under their label. 0 motor, model years 1970 through 1979. Our comprehensive inventory ensures you have access to the best components for your Jeep's needs. I know 304 Jeep-AMC 304 Engine Rebuild Kits Boost your AMC or Jeep's performance with 304 engine rebuild kits, perfect for the restoration of classic Jeeps and AMCs like the Wagoneer and Gremlin. I was curious if anyone knew what upgrade of carb could be made to increase performance (maybe from experience)? Pickup is 1970 1100D if curious. Many enthusiasts are so focused on choosing parts that they sometimes overlook little things in Aug 27, 2022 · Ultimate guide to the 1970-1991 AMC 360 V8 engine. I have been restoring this “mostly stock” binder for a year now and have found this forum invaluable. Hi I'm in NZ so hard to find any parts for my nz assembled stock 304 in my 1970 rambler rebel. 7 ex. Jun 12, 2019 · With the right parts and build strategy, the unique and powerful AMC V-8 can be worth keeping in your Jeep. Free delivery and returns on eBay Plus items for Plus members. Edelbrock makes a trick new alum head, but Summit does not have a listing. From what I gather the 345 is considered a better engine than the 304. The third generation 2022-2025 Toyota Tundra is a powerful, reliable, and impressive truck at face value, but there are some limitations when put through the rigors of the workplace or off-road adventures. 030 over due to damage to a cylinder wall. 13 Valve Guides Set+$47. May 22, 2011 · I've been reading a lot on this forum, so I have one more question. Oct 8, 2020 · Finally getting around to rebuilding my AMC 304 out of my 1977 CJ7. Unlike other performance parts retailers, we don’t stock cheap 304 International parts, we offer a selection of 304 International aftermarket parts of high quality at an affordable price. The 304 & 360 CID Engines from '78 to '90 used the same Motorcraft distributor for all variations. Having all new It was more costly than swapping out motor and tranny. Is the Amc 304 V8 a Good Engine? The AMC 304 V8 engine is a good engine. Feb 12, 2000 · Ignition Upgrade For Jeep 304 & 360 CID V-8 AMC Engines. Jun 2, 2018 · AMC never used the production 304 as a high performance engine. Jun 13, 2012 · The upgrade is also cheap, easy to source (being stock parts), and is completely comparable in performance to the HEI. Expensive as hell to rebuild. Whether you're aiming to restore an old favorite or boost the performance of your daily driver Sep 3, 2022 · Today, many AMC 304 engines have been rebuilt and modified to produce even more power than they did originally. To beef up my 304, I did the TR upgrade, msd 6a ignition, and dual headers into flowmasters. More new parts, tighter tolerances, actual OEM replacement components, superior bench testing and supplied performance gaskets and lubricants, all brought to you by skilled machinists, assemblers and sales and service staff. , Billet Roller Rockers, Custom Rockers, Roller Rockers, Custom Roller Rockers, International 345 V8 Ratio Roller Rockers, IH, Engine, Valves, Valve Train Dec 4, 2010 · I like the TFI personally because it starts with the stock duraspark dizzy and upgrades with the simple Ford parts. 360's are hard to come by in my area, since I have a 304, I First things first, is it a 308/304 carby (VB-VL) or a 304 injected (VN-VT1). 95 Comp Cams 252 Grind Camshaft for IH 266, 304, 345, 392 V8 Engine $399. This engine has been professionally Balanced with a torqueflite Flexplate and 4 bolt style balancer. Whether you're looking for performance power Pick up affordable prices and secure, on-time delivery when shopping Performance Parts for Peugeot 304! Pay later at 0% apr available! Give your 2021-2023 F150 PowerBoost more performance, utility, and capability to handle any challenge! Stage 3 offers tons of F150 Powerboost accessories and mods. 36 Push Rods+$50. Sep 12, 2016 · The Goal: To have a streetable 320hp IH 345 that runs on pump gas, spins to 5500 RPM, and makes torque like an IH SV should! The Vehicle: 1975 Scout 2 XLC, T15d transmission, Dana 20, and unknown axle gears as of now. Visit Pinpoint Air today and get started on your scrapyard build! Find Ferrari 304 installation-kits Performance Parts and Accessories for Your Vehicle. Purchase Complete Engine Overhaul Kits for IH 304,345,392 V8 Engines SKU: IHENG-OH-KIT-V8 Complete Engine Overhaul Kits for IH 304,345,392 V8 Engines $2,449. Feb 21, 2005 · I have a 304 and im thinkin about rebuilding it, what im curious about is what kind of performance increase could i expect from headers and a cam and are there any other internal modifications that could give it more power such as rods from a SBC or a crank from a 345Im just lookin for advice Jan 9, 2010 · 304 = poor fuel economy low HP. High Performance V8 Parts in Australia Total Performance stocks the best brands for your V8 engine builds and upgrades – from camshafts, cylinder heads, top end power packages & stroker kits to complete transmissions and torque converters. 95 Comp Cams 260 Grind Camshaft for IH 266, 304, 345, 392 V8 Engine Ignition Upgrade For Jeep 304 & 360 CID V-8 AMC Engines Contributed By: Gary Boyd Ed Note: Originally posted on the ORC Bulletin Board by 'Teamrush'. And the javelin is starting to call from her hibernation Jan 4, 2011 · Here's the deal, I have a 304 being rebuilt at the machine shop to be dropped into my CJ5. Does this means that for my 304 engine 2bbl manifull, I dont need it. This is where the world of Jeep 304 performance parts comes in. It is going to be mated to a Tremec T-176 4 Speed transmission. Northern Auto Parts AMC 304 engine kit options include master kits and re-ring kits for years 1970-1981. With the addition of aftermarket parts such as intake manifolds and headers, it is not uncommon to see these engines producing 400 hp or more. Features: Designed for 1970-1991 AMC 304, 360, 390 & 401 V8 engines Self-Calibrating Fuel Map Technology, Wide-Band O2 Closed Loop Mixture Apr 24, 2010 · Just last question. 0L, and 401, ensuring a perfect fit for your specific engine needs. * **Compression Ratio:** Aim for a compression ratio around 8. So if you don't find a part number listed, please contact our sales team on 07 3808 1986 Adding MRT Extreme Mid Pipe to your 2025 Ram RHO transforms exhaust note to on demand, aggressive sound for a cost effective mod to increase RHO power and presence. It's been bored . 6 INTAKE TIMING DURATION: 256 deg. The last two years of the 304 in the CJ were in '80-'81. We build every engine with our own highly trained & experienced S&J machinists, assemblers, and technicians at our facilities in Spokane, Washington, and we ship nationwide. 0 vin S, 4. Shop AMC 304 Parts and get Free Shipping on orders over $175 at Speedway Motors, the Racing and Rodding Specialists. Boost your Holden V8 power today with 253 rebuild kits, Holden 308 engine bearings & pistons Best quality. Meeting legal requirements for smog controls on the 304 severely hurt performance of the engine. jwu y9bb3m i4 hja 3at8i0b ueb9pa kzif0z 7gtc 2jbi zto2d