8620 Billet – All motor (11.5:1+) or high boost (18lbs+). Use with CAI, H, E, ECU, A/F mods. Excellent street manners and idle quality. Requires kit BC0040 or BC0040S.
Adv Dur | 304/300 |
Dur @ .050 | 234/228 |
Valve Lift (1.75:1) | .525″/.472″ |
Valve Lift (mm) | 13.74/13.15 |
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