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Magnum Marine/Drag Race 256/266 Solid Flat Cam for Chevrolet Big Block 396-454
SOLID: Drag Race: Use in 396-427 c.i., heavy car, 3500+ stall, & 10.5:1+ Compression, Marine: Excellent for jet boat A or B impeller. 427-454 c.i. 10:1 compression.
In stock
SKU
11-604-5
$324.95
BBC - 1965-66 396 c.i. models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a camshaft with the oiling groove, please call us at 1-800-999-0853 or click here to contact us, and we will assist you with placing an order.
Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
RPM Operating Range: 3,500-6,500
Grind Number: 294B-8
Cam Type: Solid Flat Tappet
Lifter Style: Solid Flat Tappet
Camshaft Series: Magnum Marine
Usage: Marine
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration: 294
Advertised Exhaust Duration: 304
Intake Duration at .050 Inch Lift: 256
Exhaust Duration at .050 Inch Lift: 266
Intake Valve Lift: 0.58
Exhaust Valve Lift: 0.605
Lobe Lift Intake: 0.343
Lobe Lift Exhaust: 0.358
Lobe Separation: 108
Intake Centerline: 108
Exhaust Close ATDC: 44
Intake Open BTDC: 39
Exhaust Open BBDC: 80
Intake Close ABDC: 75
Camshaft Gear Attachment: 3-Bolt
Component
Part Number
Break-In Lube: 159
CL-Kit Upgrade: CL11-604-5
Distributor Gears: 12200
K-Kit Upgrade: K11-604-5
Rocker Arms: 1411-16
RP Rocker Push Rod Kit: RPM1411-16
SK-Kit Upgrade: SK11-604-5
Valve Locks: 612-16
Valve Seals: 505-16