10 Rib: Handles up to 1000 HP—perfect for higher boost and demanding street/strip applications.
12 Rib: Built for 1000+ HP—maximum boost for extreme builds and race-ready performance.
Fitment Fine Print:
Supports ’60s–’80s muscle cars with no frame mods required.
Not compatible with High Mount A/C. (Need high Mount A/C? Click Here)
Support up to a 10.00 Lower Crank Pulley.
Transform your ride into a pavement-pounding legend with a drive system that’s as tough as your ambition. Questions about compatibility or setup? Hit us up—we’re here to get you dialed in.