Replacement for OEM 1.32 transfer gear. Est 220mph top speed and 2200rpm highway cruise in American V8 application (vs 170mph and 3500rpm highway cruise with OEM gear)
Replacement for OEM 1.32 transfer gear for high horsepower / standing mile competitions
Replacement for the OEM ratio that results in a higher top speed (est 260 to 290 depending on V8 or V10 gearbox) or a conventional overdrive layout. Ideal pairing with the 1.04 drop gear, which maximizes acceleration for 1-5 gears. Sold as a paired set.
Provided by McCall's Autoworks
Ramp-and-plate style motorsports differential that replaces the OEM Graziano unit. Ability to customize ramps to achieve your desired lockup on acceleration and deceleration.
For V10 gearboxes, please contact for the relevant gearing / speed outputs.
Slight variances to below outputs depending on wheel and tire sizing and engine rev limit.