Cadillac 425, 472, 500 c.i. 8 CYL. 1963-1979
Cadillac; 425; 472; 500; Eldorado; Fleetwood; DeVille; Brouham
Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Thumpr Camshafts are the hottest cams to hit the streets in more than a decade. That's because they give you the big cam sound you're looking for, without the drawbacks. 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. Best of all, Thumprs will not negatively impact power output or streetability.Features:
Thumpr Sound Clip
Camshaft & Lifter Kits are indicated by a CL in their part number and include Camshaft, Lifters, Assembly Lube, Decals, and Instructions.
Complete Kits are indicated by a K in their part number and include Camshaft, Lifters, Timing Chain & Gears, Valve Springs, Retainers, Locks, Assembly Lube, Decals, and Instructions.
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