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Xtreme Energy 252/260 Solid Flat Cam SK-Kit for Chevrolet Big Block 396-454

Xtreme Energy 252/260 Solid Flat Cam SK-Kit for Chevrolet Big Block 396-454

Drag Race 4/7 Swap 262/270 Solid Flat Cam for Chevrolet Big Block 396-454

Drag Race 4/7 Swap 262/270 Solid Flat Cam for Chevrolet Big Block 396-454

Xtreme Energy 252/260 Solid Flat Cam for Chevrolet Big Block 396-454

$324.95
Xtreme Energy™ 252/260 Solid Flat Cam for Chevy Big Block 396-454 Pro Street/bracket racing. Needs good intake, headers, gears and a 3500+ stall.
In stock
SKU
11-679-5

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 036584070351
Manufacturer COMP Cams®
Emissions Code
Engine Family Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
RPM Operating Range 2,800-7200
Cam Type Solid Flat Tappet
Camshaft Series Xtreme Energy
Camshaft Gear Attachment 3-Bolt
Usage Street/Performance
California Proposition 65 WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration 290
Advertised Exhaust Duration 298
Intake Duration at .050 Inch Lift 252
Exhaust Duration at .050 Inch Lift 260
Intake Valve Lift 0.598
Exhaust Valve Lift 0.598
Lobe Lift Intake 0.352
Lobe Lift Exhaust 0.352
Lobe Separation 110
Intake Centerline 106
Valve Timing Lift 0.015
Exhaust Close ATDC 35
Intake Open BTDC 39
Exhaust Open BBDC 83
Intake Close ABDC 71
Lifter Style Solid 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
Lifter Kit 800-16
Lifter Kit 813-16
RP Rocker Push Rod Kit RPM1411-16
CL-Kit Upgrade CL11-679-5
K-Kit Upgrade K11-679-5
SK-Kit Upgrade SK11-679-5