Upgrade your transmission with a complete overdrive gear set designed for smoother, quieter shifting. ⚙️
The kit includes trap door, all gears, mainshaft, countershaft, shifter drum with roller detent, detent components, bearings, snap rings, gaskets and necessary hardware.
Gears are cut before heat treating and precision ground with diamond-coated tooling for quiet operation, and bearing doors are machined from 6061-T6 aluminum with wider bearings and retainer plates for improved durability.
Expect lower engine rpm at highway speeds for smoother cruising and improved fuel efficiency. 🛣️
Fits into most transmission cases designed for earlier five-speed units; exhaust bracket modification and speedometer recalibration may be required after installation.
Manufactured in the USA and engineered for reliable, long-term service.