Heavy duty transmission kit

Added: 25/12/2025

Quailed one piece main shaft kit for Renault UN13 turbo transmission, including all seals, gaskets and special tool to fit driveshaft seals correctly. Also including S/H UN13 transmission, McLeod 10.5” driven plate (new) updated 1st gear to make close ratio box. Clutch fork and Renault R21 workshop manual to assist with building up the transmission, virtually all that you need to build a heavy duty reliable transmission for your GT40, all for less than the main shaft alone kit.