Xtreme Marine 242/248 Hydraulic Roller Cam for Chevrolet Big Block GEN VI

HYDRAULIC ROLLER-Good for jet boat with A or B impeller in bracket racing or performance use.

Engine Family: Chevrolet GEN VI 454 and 502 c.i. 8 Cylinder (1996-1999)
RPM Operating Range: 2,800-6,200
Grind Number: XM296HR
Cam Type: Hydraulic Roller
Lifter Style: Hydraulic Roller
Camshaft Series: Xtreme Marine
Camshaft Gear Attachment: 3-Bolt
Usage: Marine
Valve Springs Required: Yes
Camshaft Material: Austempered Ductile Iron
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration: 296
Advertised Exhaust Duration: 302
Intake Duration at .050 Inch Lift: 242
Exhaust Duration at .050 Inch Lift: 248
Intake Valve Lift: 0.566
Exhaust Valve Lift: 0.566
Lobe Separation: 112
Assembly Lubricant Included: No
Valve Timing @ 0.006 Lift:
Exhaust Close ATDC: 37
Exhaust Open BBDC: 85
Intake Open BTDC: 38
Intake Close ABDC: 78
Note Description
37Adjustable valve train required
46Must use bronze tip fuel pump pushrod when using high pressure or high volume pump
Component Part Number
K-Kit Upgrade: K01-456-8
CL-Kit Upgrade: CL01-456-8
SK-Kit Upgrade: SK01-456-8
RP Rocker Push Rod Kit: RPS302
Lifter Kit: 900-16
Timing Set: 3149KT
Rocker Arms: 1411-16
Push Rods: 7815-16
Valve Springs: 924-16  /   930-16
Steel Retainers: 732-16  /   741-16
Valve Locks: 612-16
Valve Seals: 505-16
Break-In Lube: 159