MAXIMUM DUTY STRAIGHT CUT PLANETARY SERIES

Feature 6 pinion reaction carriers and 4 pinion output carriers except 2.56-1.56 which features 6 pinions on both carriers. OE reaction and output shells are machined and splined to accept new CNC machined aluminum carrier assemblies.

Whether you're building a race-only Turbo 400 or upgrading your street/strip ride, the COA-22710 delivers proven drivetrain resilience. It serves as a cornerstone upgrade that helps maintain precise gear timing, reliable torque transfer, and race-ready operation mile after mile, ideal for anyone pushing their TH400 beyond factory limits.