Crower 4G63 Stage 4 280/280 Camshafts (Mitsubishi Evo 8)
Crower
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MAP FITMENT GUARANTEE
| Valve Lash | .000" intake and .000" exhaust |
|---|---|
| Lobe center | 104 |
| Advertised Duration: Intake / Exhaust | 280 / 280 |
| Duration @ .050" Lift: Intake / Exhaust | 214° / 200 |
| Duration @ .050" Lift at the Valve: Intake / Exhaust | 230 / 216 |
| Duration @ .200" Lift: Intake / Exhaust | 270 / 260 |
| Duration @ .200" Lift at the Valve: Intake / Exhaust | 286 / 266 |
| Lobe Lift: Intake / Exhaust | .265 / .250 |
| Rocker Ratio: Intake / Exhaust | 1.7 / 1.7 |
| Gross Valve Lift: Intake / Exhaust | .450 / .425 |
| Performance Level | 5 |
| Low RPM | 1100 |
| Peak HP | 8250 |
| Redline | 8750 |
| Performance Description | Race only. Not for the inexperienced tuner. Requires spring kit #84175. |
| Engine Application | Level 5 camshafts are designed for fully prepared, high compression all-out racing engines and chassis. |
| Recommended Modifications | Extensive cylinder head modification, bigger titanium valves, lightweight valve train, maximum flow carburetion or fuel injection, racing gas (alcohol or nitro), magneto or electronic ignition, performance rod and crank assembly and increased engine clearances are required for maximum benefit. |
