Crower Chevy 396-454 Hydraulic Roller Cam (253HR260) Late Model
Crower Chevy 396-454 Hydraulic Roller Cam (253HR260) Late Model
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Crower Chevrolet Hydraulic Roller Camshaft
Features:
Performance level- Beast - Superior upper bottom, mid-range and top end power.
INT/EXH - Dur @ .050" Lift: 253°/260° RR: 1.7/1.7Gross Lift: .636"/.659" LSA: 110° RPM: 3120 to 6100 Redline:6500
Specs:
| Engine Make | Chevrolet |
|---|---|
| Year | 1965-1996 |
| Part Class | Camshaft |
| Engine Class | Big Block |
| Camshaft Name | Original |
| Camshaft Series | Original |
| Engine Type | V8 |
| Engine Size | 366, 396, 402, 427, 454, 502 & Rodeck |
| Product Type | Hydraulic Roller |
| Special note* | This cam is for the late model 454 and 502 only. It has a step nose. |
| Valve Lash | .000" intake and .000" exhaust |
| Lobe center | 110 |
| Advertised Duration: Intake / Exhaust | 309 / 318 |
| Duration @ .050" Lift: Intake / Exhaust | 253 / 260 |
| Duration @ .200" Lift: Intake / Exhaust | 162 / 171 |
| Lobe Lift: Intake / Exhaust | .273 / .285 |
| Rocker Ratio: Intake / Exhaust | 1.7 / 1.7 |
| Gross Valve Lift: Intake / Exhaust | .636 / .659 |
| CID | 396 |
| Low RPM | 3570 |
| Peak Torque | 4700 |
| Peak HP | 6100 |
| Redline | 6500 |
| CID #2 | 402 |
| Low RPM #2 | 3570 |
| Peak Torque #2 | 4700 |
| Peak HP #2 | 6100 |
| Redline #2 | 6000 |
| CID #3 | 427 |
| Low RPM #3 | 3450 |
| Peak Torque #3 | 4570 |
| Peak HP #3 | 6000 |
| Redline #3 | 6500 |
| CID #4 | 454 |
| Low RPM #4 | 3240 |
| Peak Torque #4 | 4390 |
| Peak HP #4 | 5780 |
| Redline #4 | 6300 |
| CID #5 | 454 |
| Low RPM #5 | 3120 |
| Peak Torque #5 | 4270 |
| Peak HP #5 | 5675 |
| Redline #5 | 6170 |
| Grind Number | 253HR260 |
| Recommended Kit #1 | 84551 |
| Recommended Kit #2 | 84551LM |
