3.9 FINAL GEAR SET for Z33/V35 by Tomei

The 3.9 final drive setup from Tomei is an economical way of improving acceleration in the 350Z and G35. Increases available power by 10% per gear, resulting in faster acceleration in every gear. These gears really begin to shine with the larger staggered tire setups prevelant in the Z/G world. Professional installation required. Only for use on 6 speed manual transmission models.