Drag Race 255/266 Solid Flat Cam for Pontiac 265-455

SOLID: Super torque, 3500 stall, works well in heavy car.

SKU
51-659-5
$209.97
Grind Number: 290B-6
Engine Family: Pontiac 265-455 c.i. 8 Cyl. (1955-1981)
RPM Operating Range: 3,500-6,500
Cam Type: Solid Flat Tappet
Lifter Style: Solid Flat Tappet
Camshaft Series: Drag Race
Camshaft Gear Attachment: 1-Bolt
Usage: Strip
Valve Springs Required: Yes
Camshaft Material: Cast Iron
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration: 290
Advertised Exhaust Duration: 304
Intake Duration at .050 Inch Lift: 255
Exhaust Duration at .050 Inch Lift: 266
Intake Valve Lift: 0.543
Exhaust Valve Lift: 0.537
Lobe Separation: 106
Assembly Lubricant Included: Yes
Intake Centerline: 106
Lobe Lift Intake: 0.362
Lobe Lift Exhaust: 0.358
Valve Timing @ 0.015 Lift:
Exhaust Close ATDC: 46
Exhaust Open BBDC: 78
spec-card-valve-timing
Intake Open BTDC: 39
Intake Close ABDC: 71
Component Part Number
Break-In Lube: 159
Lash Caps: 621-16
Lifter Kit: 813-16
Steel Retainers: 730-16  /   740-16
Stud Girdle: 4051
Timing Set: 3112
Valve Locks: 611-16
Valve Seals: 503-16
Valve Springs: 995-16