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Big Mutha' Thumpr 243/257 Hydraulic Flat Cam for Buick 400, 430, 455
Big Mutha' Thumpr 243/257 Hydraulic Flat Cam for Buick 400, 430, 455. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
In stock
SKU
96-602-5
$354.95
Engine Family: Buick 400, 430, 455 c.i. 8 Cylinder (1967-1976)
RPM Operating Range: 2,500-6,400
Grind Number: 295TH7
Cam Type: Hydraulic Flat Tappet
Lifter Style: Hydraulic Flat Tappet
Camshaft Series: Thumpr
Usage: Street/Strip
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration: 295
Advertised Exhaust Duration: 313
Intake Duration at .050 Inch Lift: 257
Exhaust Duration at .050 Inch Lift: 243
Intake Valve Lift: 0.517
Exhaust Valve Lift: 0.502
Lobe Separation: 107