Xtreme Energy 242/248 Hydraulic Roller Cam for Chevrolet Big Block 396-454

Xtreme Energy™ 242/248 Hydraulic Roller Cam for Chevy Big Block 396-454 street/strip applications. 10:1 Compression, intake, headers, gears and a 3000+ stall.
In stock
SKU
11-443-8
$522.95

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: 2,800-6,100
Grind Number: XR294HR
Cam Type: Hydraulic Roller
Lifter Style: Hydraulic Roller
Camshaft Series: Xtreme Energy
Usage: Street/Performance
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration: 294
Advertised Exhaust Duration: 300
Intake Duration at .050 Inch Lift: 242
Exhaust Duration at .050 Inch Lift: 248
Intake Valve Lift: 0.54
Exhaust Valve Lift: 0.56
Lobe Separation: 110
Exhaust Close ATDC: 36
Intake Open BTDC: 41
Exhaust Open BBDC: 84
Intake Close ABDC: 73
Camshaft Gear Attachment: 3-Bolt
Note Description
1010
4646
Component Part Number
Break-In Lube: 159
CL-Kit Upgrade: CL11-443-8
Distributor Gears: 12200
K-Kit Upgrade: K11-443-8
Lifter Kit: 15854-16  /   854-16
Push Rods: 7815-16
Rocker Arms: 1411-16
SK-Kit Upgrade: SK11-443-8
Steel Retainers: 741-16  /   732-16
Timing Set: 2110CPG  /   3110CPG
Valve Locks: 612-16
Valve Seals: 505-16
Valve Springs: 924-16  /   930-16