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Thumpr 243/257 Hydraulic Flat Cam for AMC 290-401 was $341.95 Special Price $273.56
Thumpr 243/257 Hydraulic Flat Cam for AMC 290-401
Thumpr 243/257 Hydraulic Flat Cam for AMC 290-401. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, Gears and headers, very rough idle.
More Information UPC 036584212768 Manufacturer COMP Cams Warranty 12 Months Emissions Code
Engine Family AMC 290-401 c.i. 8 Cylinder (1966-1991) RPM Operating Range 2,500-6,400 Cam Type Hydraulic Flat Tappet Camshaft Series Thumpr Camshaft Gear Attachment 1-Bolt 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 .050 Inch Lift 257 Intake Valve Lift 0.512 Exhaust Valve Lift 0.497 Lobe Lift Intake 0.32 Lobe Lift Exhaust 0.311 Lobe Separation 107 Intake Centerline N/A Valve Timing Lift 0.006 Exhaust Close ATDC 49 Intake Open BTDC 43 Exhaust Open BBDC 84 Intake Close ABDC 71 Make AMC/Jeep Engine 290-401 c.i. 8 Cylinder (1966-1991) Lifter Type Hydraulic Flat Tappet Usage Street Performance Package No
