Action Clutch Ironman Unsprung clutch kit for Nissan Altima (2007–2012) 2.5L (QR25DE) uses American sintered iron friction material and a dual clamp-load pressure plate to provide aggressive on/off engagement and approximately 250% increased holding capacity over the factory clutch. Patented fully enclosed spring retainers and engineer-checked assembly prioritize safety. This kit is intended for track use only; some engagement noise may occur.
Action Clutch 07-12 Nissan Altima 2.5L (QR25DE) Ironman Unsprung Clutch Kit w/Slave Cylinder