This ATS 3.75 ratio final gear set, born from Tsukuba Time Attack data, solves sluggish stock gearing and excessive shifting from a 4.00 final drive. Crafted from high-precision chromium molybdenum steel with ATS temper shot peening after heat treatment, it delivers unrivaled quality for track-focused Porsche 996 GT2 and GT3 models from 1999 to 2005.

Designed for drivers demanding optimal acceleration and reduced gear changes, this gear set is a direct upgrade for serious performance applications.