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Changes are needed in rear end gear ratios, headers and the torque converter. The heads are interchangeable, but there is nonadjustable valve train. Flat Tappet Break-In Stock components are generally incompatible. The “54” is the first cam to completely stray from the original design. This head was made by Dart and is still very common in drag racing and some oval track racing. The lifter bore spacing and lifter angle are different, specifically to work with a flat tappet for cup applications. The distributor is driven from the front of the cam, requiring some changes in the cam core. The 280H needs an aftermarket converter, intake manifold and headers. The design of this cam also makes it ideal for all bracket racing engines. Save $10 off $299, $20 off $599, $30 off $799, $100 off $1,599 Orders, Magnum 280H Hydraulic Flat Tappet Camshaft, JEGS 20410 - Billet Timing Set Torrington Roller Bearing, JEGS 20411 - Billet Timing Set Bronze Thrust Washer, JEGS 20412 - Timing Chain Set for 1955-1992 Small Block Chevy 265-400, JEGS 28060 - 12oz Break-In/Engine Oil Supplement, JEGS 80518 - Stud Mount Valve Spring Compressor Tool, Exhaust Valve Lift with Factory Rocker Arm Ratio (, Intake Valve Lift with Factory Rocker Arm Ratio (i, Some parts are not legal for use in California or other states with similar laws / regulations. The smaller your engine is, the more the Magnum Camshaft will affect your power accessories. Small Block and Big Block Chevrolet engines have become legendary since they were introduced over 50 years ago. Thank you! The idle characteristics of your engine will change due to the increased duration and overlap of the Magnum Cam Series. While a simple call to the COMP Cams® CAM HELP® tech line (1-800-999-0853) and short discussion with one of the highly informed tech line personnel will always get you the right answers, having a little personal knowledge on the topic is always a good idea. This is a simple conversion but requires a roller trunion rocker arm. Hydraulic Roller Cams Within the COMP Cams® camshaft family,, there are several different types of camshafts available for most popular domestic engines ranging from the Xtreme Energy Cams™ to Nitrous HP™ Cams. for best performance, Great sound (early exhaust opening and more overlap), Great power (new lobe designs give great area and air flow), Great mid-range response (early intake closing traps more air), Minimal engine vacuum – requires mods for any vacuum accessories such as power brakes, Designed for use only with valve train upgrades including COMP Cams® Beehive™ Valve Springs and roller rockers, Works best with looser converters, more rear end gear and other performance engine modifications, Improved throttle response and increased low and mid-range rpm horsepower, Designed for use with common restrictive factory exhaust system including OEM exhaust manifolds, Feature latest camshaft technology in lobe design, Both towing and off-roading camshaft profiles available, Features aggressive lobe profiles with short duration specs, Excellent for Jeeps and off-road vehicle use, Extremely wide powerband helps get boat on plane while making max horsepower, Power enhancement helps maintain top end speed, Intended for applications where low idle speeds are required, Work well against exhaust systems with restrictive back pressure, Available for Small and Big Block Chevy as well as Big Block Ford, Similar to High Energy Cams™, but may work better at high rpm when coupled with headers because of added exhaust duration, Very flat torque curve for great streetability, Do not work well with restrictive exhaust systems, Larger exhaust does not give a sharp early torque peak, Our other cams make more power if other components are changed, Specifically designed to capture the essence of the original 1960s muscle car style, Delivers improved muscle car sound and horsepower, Newer technology lobe design delivers increase throttle response & torque, Combines famous factory cam performance with more modern technology, Excellent sound improvement through camshaft specifications (with similar vacuum characteristics to its muscle car era counterparts), Reproduction of factory original muscle car camshaft, Produce more torque and horsepower than original factory camshaft, Maintain efficiency and drivability of the engine, New computer controlled aided design avoids previous factory design compromises, Tailored to work with high compression engine of the 1960s and 70s, Best choice for “era-correct” engine rebuilds, Wider lobe separation and added exhaust duration from base XE series help shift the power to higher rpm where it can be used in nitrous applications, Early exhaust opening helps scavenge the extra spent gasses out from nitrous or forced induction, Better time slips for nitrous passes at the strip, Slight sacrifice of some torque and responsiveness to the base XE family for improved performance with nitrous oxide, Works best with COMP Cams® roller rockers and matched valve springs. 265, 283, 307, 302, 305, 327, 350, 383, 400, 427, L46, L48, L65, LM1, LT-1, L82, L81, LS9, L83, L98, L05, LG3, LG4, LT1, LT4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10. For the best experience on our site, be sure to turn on Javascript in your browser. Please refer to the instructions in your cam box for complete procedures or page for our tech bulletin on the topic If ever in doubt, please call the COMP Cams® CAM HELP® line at 1-800-999-0853. When machining a small block head for larger diameter valve springs, be aware that the area around the spring pockets in the head is very thin, especially the end or outboard exhaust. Need help finding what you are looking for? 3406 Democrat RoadMemphis, Tennessee 38118. SB2 -uses “03” & “04” Prefixes Applying a camshaft design originally created for sports car endurance racing, they incorporate early exhaust valve opening, long exhaust duration, and a generous amount of intake and exhaust overlap. Needs 2500+ stall, headers & gears. For the best experience on our site, be sure to turn on Javascript in your browser. Thank you! Great for street machines. 280 Int./Exh. dba Summit Racing Equipment | Trademarks. A wear plate is also a required (though inexpensive) part, which serves to prevent the rear of the camshaft gear of the timing set from excessively wearing the engine block as it works to keep roller cam walk under control. Include Items In Stock at Supplier - Ships In a Few Days (16), COMP Cams 12-212-2 - COMP Cams Magnum Hydraulic Camshafts, COMP Cams 08-430-8 - COMP Cams Magnum Hydraulic Roller Camshafts, COMP Cams 12-702-8 - COMP Cams Magnum Solid Roller Camshafts, COMP Cams 35-430-8 - COMP Cams Magnum Hydraulic Roller Camshafts, COMP Cams 34-331-4 - COMP Cams Magnum Hydraulic Camshafts, COMP Cams 12-430-8 - COMP Cams Magnum Retrofit Camshafts, COMP Cams 11-208-3 - COMP Cams Magnum Hydraulic Camshafts, COMP Cams 20-232-4 - COMP Cams Magnum Hydraulic Camshafts, COMP Cams 11-430-8 - COMP Cams Magnum Retrofit Camshafts, COMP Cams 56-430-8 - COMP Cams Magnum Hydraulic Roller Camshafts, COMP Cams 35-226-3 - COMP Cams Magnum Hydraulic Camshafts, COMP Cams 31-226-3 - COMP Cams Magnum Hydraulic Camshafts, COMP Cams 42-231-4 - COMP Cams Magnum Hydraulic Camshafts, COMP Cams 32-225-4 - COMP Cams Magnum Hydraulic Camshafts, COMP Cams 51-314-4 - COMP Cams Magnum Muscle Camshafts, COMP Cams 61-246-4 - COMP Cams Magnum Hydraulic Camshafts, COMP Cams 33-230-4 - COMP Cams Magnum Hydraulic Camshafts, COMP Cams 51-234-4 - COMP Cams Magnum Hydraulic Camshafts, COMP Cams 34-700-9 - COMP Cams Magnum Solid Roller Camshafts, COMP Cams 84-131-6 - COMP Cams Magnum Solid Camshafts, COMP Cams 22-131-6 - COMP Cams Magnum Hydraulic SOHC Camshafts, COMP Cams 70-131-6 - COMP Cams Magnum Hydraulic Camshafts, COMP Cams 18-430-8 - COMP Cams Magnum Retrofit Camshafts, COMP Cams 21-237-4 - COMP Cams Magnum Hydraulic Camshafts, COMP Cams 09-430-8 - COMP Cams Magnum Hydraulic Roller Camshafts. GM Gen III/LS1/LS2/LS6 -uses “54” Prefix Big Block  -uses “11” Prefix, Gen VI Big Block -uses “01” Prefix, 8.1L Big Block -uses “46” Prefix When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm. 11/24/2020 8 Cylinder (1996-1999), Grand National 231 c.il. In addition, there are various lifter types available ranging from Hydraulic Roller to Solid Flat Tappet. It can be confusing for the novice cam buyer – but that is to be expected of a highly technical product such as a camshaft. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. The 270H should not affect power accessories, but should be used with headers and 4bbl carburetor. COMP Cams Ford Engine Technical Specs and Information; FORD TECHNICAL INFORMATION. The same holds true for the first 1965 and 1966 396/427 big blocks. That’s why a quick call to the COMP Cams® CAM HELP® tech line can help clear the air. HYDRAULIC: Good for daily driven street machine, works with stock converter, likes headers. Need help finding what you are looking for? Best of all, Thumprs will not negatively impact power output or streetability. One of the latest versions of true race engines from GM is the SB2. $228.06. There are differences in the block to accommodate a cam retention thrust plate and antirotation mechanism for the lifters. When building a mild street engine, COMP Cams® developed the Magnum and Pro Magnum Rocker Arms™ designed specifically for the late model self-aligning design. LT1 and LT4 Engine -uses “07” Prefix The cam (Prefix “56”) in this balance shaft engine is also shorter than the earlier model and does not have a fuel pump lobe. Contact. It can be driven extensively on the street or raced on the weekends. One of the most common practices on these engines is to replace these with larger 7/16” versions similar to those found on the big block engines. For the best experience on our site, be sure to turn on Javascript in your browser. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. So, which one is right for your application? COMP CAMS. Default Sort, Camshaft, Hydraulic Flat Tappet, Advertised Duration 280/280, Lift .480/.480, Chevy, Small Block, Each, Camshaft, Hydraulic Roller Tappet, Advertised Duration 280/280, Lift .525/.525, Chevy, Small Block, Each, Camshaft, Mechanical Roller Tappet, Advertised Duration 280/280, Lift .550/.550, Chevy, Small Block, Each, Camshaft, Hydraulic Roller Tappet, Advertised Duration 280/280, Lift .560/.560, Ford, 5.0L HO, Each, Camshaft, Hydraulic Flat Tappet, Advertised Duration 280/280, Lift .530/.530, Ford, 429, 460, Each, Estimated Ship Date:

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