Description
Thumpr 227/241 Hydraulic Roller Cam for AMC 290-401Thumpr 227/241 Hydraulic Roller Cam
Advertised Exhaust Duration: 303 DD
Advertised Intake Duration: 283 DD
Assembly Lubricant Included: No
Basic Operating RPM Range: 2 000-5 800 R3
Cam Type: Hydraulic Roller
Camshaft Gear Attachment: 1-Bolt
Camshaft Material: Billet Steel
Camshaft Series: Thumpr
Engine Family: American Motors 290-401 c.i. 8 Cylinder (1966-1991)
Exhaust Duration at .050 inch Lift: 241 DD
Exhaust Valve Lift: 0.515″
Grind Number: 283THR7
Intake Duration at .050″ Lift: 227 DD
Intake Valve Lift: 0.531″
Lifter Type: Hydraulic Roller
Lifters Included: No
Lobe Separation: 107 DD
Usage: Street/Performance
Valve Springs Required: Yes
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