XM308HR Xtreme Marine 254/260 LSA 112 Hydraulic Roller Camshaft Chevy Big Block 396 454 BBC
RPM Range: 3500-6500
Description
Comp Cams Big Block Chevy 454 Hydraulic Roller Camshaft - Marine
Good in jet boat with B impeller with 10:1+ compression, running river drags or bracket racing.
| Engine Family | Chevrolet 396-454 c.i. 8 Cylinder (1967-1996) |
|---|---|
| RPM Operating Range | 3,500-6,500 |
| Cam Type | Hydraulic Roller |
| Camshaft Series | Xtreme Marine |
| Camshaft Gear Attachment | 3-Bolt |
| Usage | Marine |
| 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 |
| Intake Centerline | 110 |
| Valve Timing Lift | 0.006 |
| Exhaust Close ATDC | 43 |
| Intake Open BTDC | 44 |
| Exhaust Open BBDC | 91 |
| Intake Close ABDC | 84 |
| Lifter Style | Hydraulic Roller |
Specifications
| SKU | 11-461-8 |
| Barcode # | 036584038559 |
| Brand | COMP CAMS |
| intake valve lift | 0.575 |
| Exhaust Valve Lift | 0.575 |
| Lifter Type | Hydraulic Roller |
| Advertised Exhaust Duration | 314 |
| Advertised Intake Duration | 308 |
| Cam Type | Hydraulic Roller |
| Exhaust Duration At .050 Inch Lift | 260 |
| Intake Duration At .050 Inch Lift | 254 |
| Lobe Separation | 112 |
| Camshaft Series | Xtreme Marine |
| Grind Number | XM308HR |
| Basic Operating Rpm Range | 3,500-6,500 |
| Lifters Included | No |
| Valve Springs Required | Yes |
| Camshaft Gear Attachment | 3-Bolt |
| Camshaft Material | Austempered Ductile Iron |
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