Drag Race 250/256 Solid Flat Cam for Oldsmobile 260-455

SOLID: Great torque in full body car with 400c.i. and 3500+ stall.

In stock
SKU
42-655-5
$324.95
Engine Family: Oldsmobile 260-455 c.i. 8 Cylinder (1967-1990)
RPM Operating Range: 3,500-6,500
Grind Number: 285B-8
Cam Type: Solid Flat Tappet
Lifter Style: Solid Flat Tappet
Camshaft Series: Drag Race
Usage: Strip
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration: 285
Advertised Exhaust Duration: 294
Intake Duration at .050 Inch Lift: 250
Exhaust Duration at .050 Inch Lift: 256
Intake Valve Lift: 0.568
Exhaust Valve Lift: 0.545
Lobe Lift Intake: 0.356
Lobe Lift Exhaust: 0.343
Lobe Separation: 108
Intake Centerline: 108
Exhaust Close ATDC: 39
Intake Open BTDC: 35
Exhaust Open BBDC: 75
Intake Close ABDC: 70
Camshaft Gear Attachment: 1-Bolt
Component Part Number
Break-In Lube: 159
Lash Caps: 621-16
Lifter Kit: 2900-16
Steel Retainers: 740-16  /   730-16
Timing Set: 3113CPG
Valve Locks: 611-16
Valve Seals: 503-16
Valve Springs: 950-16  /   26094-16