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Classic Mutha' Thumpr 234/249 Hydraulic Flat Cam for Chevrolet 348-409
Classic Mutha' Thumpr™ 234/249 Hydraulic Flat Cam for Chevrolet 348-409. High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
Available Soon
SKU
48-601-5
TEMPORARILY OUT OF STOCK, ORDER NOW!
$280.95
Camshaft Material:
Valve Springs Required:
Assembly Lubricant Included:
Engine Family: Chevrolet 348-409 c.i. 8 Cylinder (1958-1965)
RPM Operating Range: 2,000-5,500
Grind Number: 287TH7
Cam Type: Hydraulic Flat Tappet
Lifter Style: Hydraulic Flat Tappet
Camshaft Series: Classic Thumpr
Usage: Street/Strip
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration: 286
Advertised Exhaust Duration: 304
Intake Duration at .050 Inch Lift: 234
Exhaust Duration at .050 Inch Lift: 249
Intake Valve Lift: 0.525
Exhaust Valve Lift: 0.509
Lobe Lift Intake: 0.3
Lobe Lift Exhaust: 0.291
Lobe Separation: 107
Intake Centerline: 102
Exhaust Close ATDC: 45
Intake Open BTDC: 39
Exhaust Open BBDC: 80
Intake Close ABDC: 67
Camshaft Gear Attachment: 3-Bolt
Component
Part Number
Break-In Lube: 159
