COMP Cams Big Mutha Thumpr Camshaft Complete Kit Lift .500"/.486" Duration 295/313 RPM Range 2500 to 6400
249-K12-602-4

Items You Need
Chevy 262-400ci Small Block 1958-98
- Complete Kit
- 3 Grinds To Fit All Of Your Performance Needs
- Long Exhaust Duration
- Produces A Powerful Hard-Hitting Exhaust Note
- Excellent Horsepower Gains And Broad Torque Curve
- Delivers Real Seat Of The Pants Performance
- Designed For Use w/Latest In ValveTrain Components
- 1 Year Limited Warranty
265, 283, 307, 302, 305, 327, 350, 383, 400, L46, L48, L65, LM1, ZQ3, LT-1(1970-1972), LS9(1969-1986), LT9 (1981-1986), L82, L81, LG3, LG4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10
Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Specifications:
Will I need to have any other work performed to the cylinder heads to use this kit? 1969 corvette 350 (stock gm heads and block)
Will this work in a 305 stock engine with out no rebuild
Does this come with Acorn valve springs? Is there any problem with lifter float at 6500RPM?
Will this kit work with a 69 Buick Lesabre 350/5.7L V8 ?
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. 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.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.