Sun gear fits all 2.84/1.55 gear sets. Use a late AODE sun gear in place of Sonnax gear with 2.40/1.46 gear sets.
The Smart-Tech direct drum and shaft kit ELIMINATES every critical weakness of the OE drum and is packed with all the parts you need for hassle-free rebuilds. It’s an unbeatable upgrade for any vehicle pushing the limits of the stock drum, PROVEN to easily handle even the most extreme horsepower and torque.
Eliminates weak point where drum splines strip & shafts break.
50% thicker & 2X as strong as the best 300M shafts.
Custom drum & piston hold one extra friction for optimum protection against burn-up.