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Magnum 252/252 Hydraulic Roller Cam for Chevrolet Big Block 396-454

Magnum 252/252 Hydraulic Roller Cam for Chevrolet Big Block 396-454

Thumpr 227/241 Hydraulic Roller Cam for Chevrolet Big Block 396-454

Thumpr 227/241 Hydraulic Roller Cam for Chevrolet Big Block 396-454

Nitrous HP 224/236 Hydraulic Flat Cam for Chevrolet Big Block 396-454

was $238.95 Special Price $227.00

HYDRAULIC: Street machines with 125+ nitrous kit, needs 2000+ stall, 3.73 gear, has choppy idle.

In stock
SKU
11-560-4

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.

More Information
UPC 036584038726
Manufacturer COMP Cams®
Emissions Code
Engine Family Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
RPM Operating Range 2,000-6,200
Cam Type Hydraulic Flat Tappet
Camshaft Series Nitrous HP
Camshaft Gear Attachment 3-Bolt
Usage Street/Strip
California Proposition 65 WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration 268
Advertised Exhaust Duration 286
Intake Duration at .050 Inch Lift 224
Exhaust Duration at .050 Inch Lift 236
Intake Valve Lift 0.515
Exhaust Valve Lift 0.547
Lobe Lift Intake 0.319
Lobe Lift Exhaust 0.322
Lobe Separation 113
Intake Centerline 108
Valve Timing Lift 0.006
Exhaust Close ATDC 25
Intake Open BTDC 26
Exhaust Open BBDC 81
Intake Close ABDC 62
Lifter Style Hydraulic Flat Tappet
Recommended Components
Component Part Number
Break-In Lube 159
Rocker Arms 1411-16
Valve Seals 505-16
Valve Locks 612-16
Steel Retainers 741-16
Valve Springs 924-16
Steel Retainers 732-16
Valve Springs 930-16
Timing Set 2110CPG
Timing Set 3110CPG
Push Rods 7854-16
Lifter Kit 812-16
Lifter Kit 858-16
RP Rocker Push Rod Kit RP1411-16
CL-Kit Upgrade CL11-560-4
K-Kit Upgrade K11-560-4
SK-Kit Upgrade SK11-560-4