COMP Cams 42-602-5 Thumpr Hydraulic Camshaft, Oldsmobile 260/455
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Info42-602-5 - Camshaft, OL 295T H-107 T THUMPR.
Oldsmobile 260-455 c.i. 8 cyl. 1967-1990. Big Mutha' Thumpr : Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle. Hydraulic Flat Tappet Camshaft. 3 grinds to fit all of your performance needs. Unique design. Maximizes sound and mid to high RPM power. Ensures safe piston-to-valve clearance. Proven to generate 25+ RWHP gains. Does not compromise durability.
- Three unique cam designs for each application that deliver excellent horsepower gains & broad torque curve; perfect choice for muscle cars & street rods
- Early intake valve opening & long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note
- Best with aftermarket converters & more rear gear
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