Dec 29,
2021
Safeguard performance GM TH400 and 4L80-E vehicles on the street and track with reliable, high-strength servo upgrades from Sonnax the leader in transmission innovation. New for fall 2021, Sonnax billet aluminum Low/Reverse servo pistons prevent failure at any power level, a critical safeguard when cast OE pistons are brittle and prone to breaking. Part No. 34914-01 fits all TH400 and 95-ear...