Classic Thumpr 226/241 Hydraulic Flat Cam for Chevrolet 348-409

Classic Thumpr™ 226/241 Hydraulic Flat Cam for Chevrolet 348-409. High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
Grind Number: 279TH7
Engine Family: Chevrolet 348-409 c.i. 8 Cylinder (1958-1965)
RPM Operating Range: 1,500-5,000
Cam Type: Hydraulic Flat Tappet
Lifter Style: Hydraulic Flat Tappet
Camshaft Series: Classic Thumpr
Camshaft Gear Attachment: 3-Bolt
Usage: Street Performance
Valve Springs Required: Yes
Camshaft Material: Cast Iron
California Proposition 65: WARNING: Cancer and Reproductive Harm
Advertised Intake Duration: 278
Advertised Exhaust Duration: 296
Intake Duration at .050 Inch Lift: 226
Exhaust Duration at .050 Inch Lift: 241
Intake Valve Lift: 0.512
Exhaust Valve Lift: 0.498
Lobe Separation: 107
Assembly Lubricant Included: Yes
Intake Centerline: 102
Lobe Lift Intake: 0.293
Lobe Lift Exhaust: 0.285
Valve Timing @ 0.006 Lift:
Exhaust Close ATDC: 41
Exhaust Open BBDC: 76
Intake Open BTDC: 35
Intake Close ABDC: 11
Component Part Number
Break-In Lube: 159