ROCK CRAWLER / PERFORMANCE NORMALLY ASPIRATED
Designed for the experienced trail rider who wants power throughout the rpm range. Requires BC spring & retainer kit. ECU and head work for optimal gains.
Adv Dur | 280°/286° |
Dur @ .050 | 220°/226° |
Valve Lift (1.75:1) | .493″/.510″ |
Valve Lift (mm) | 12.52/12.95 |
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