We use cookies to provide you with the best possible user experience. By continuing to use our site, you agree to their use. To learn more, view our Cookie Policy.
Classic Thumpr 243/257 Hydraulic Flat Cam for Chrysler 392 HEMI
Classic Thumpr™ 243/257 Hydraulic Flat Cam for Chrysler 392 HEMI. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Available Soon
SKU
26-602-7
TEMPORARILY OUT OF STOCK, ORDER NOW!
$394.16
$437.95
Engine Family: Chrysler 392 HEMI 8 Cylinder (1957-1958)
RPM Operating Range: 2,500-6,400
Grind Number: 295TH7
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: 295
Advertised Exhaust Duration: 312
Intake Duration at .050 Inch Lift: 243
Exhaust Duration at .050 Inch Lift: 257
Intake Valve Lift: 0.508
Exhaust Valve Lift: 0.495
Lobe Lift Intake: 0.338
Lobe Lift Exhaust: 0.329
Lobe Separation: 107
Intake Centerline: 102
Exhaust Close ATDC: 49
Intake Open BTDC: 44
Exhaust Open BBDC: 84
Intake Close ABDC: 71
Component
Part Number
Break-In Lube: 159
