Xtreme Marine 254/260 Hydraulic Roller Cam for Chevrolet Big Block GEN VI

HYDRAULIC ROLLER-Good in jet boat with B impeller, 10:1+ compression running river drags or bracket racing

Engine Family: Chevrolet GEN VI 454 and 502 c.i. 8 Cylinder (1996-1999)
RPM Operating Range: 3,500-6,500
Grind Number: XM308HR
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: 308
Advertised Exhaust Duration: 314
Intake Duration at .050 Inch Lift: 254
Exhaust Duration at .050 Inch Lift: 260
Intake Valve Lift: 0.575
Exhaust Valve Lift: 0.575
Lobe Separation: 112
Assembly Lubricant Included: No
Valve Timing @ 0.006 Lift:
Exhaust Close ATDC: 43
Exhaust Open BBDC: 91
Intake Open BTDC: 44
Intake Close ABDC: 84
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: K01-461-8
CL-Kit Upgrade: CL01-461-8
SK-Kit Upgrade: SK01-461-8
RP Rocker Push Rod Kit: RPS302
Lifter Kit: 900-16
Timing Set: 3149KT
Rocker Arms: 1411-16
Push Rods: 7815-16
Valve Springs: 930-16
Steel Retainers: 732-16  /   741-16
Valve Locks: 612-16
Valve Seals: 505-16
Break-In Lube: 159