Action Clutch 7.25in Twin D&S Race Kit | Infiniti G35/350Z 03-06 3.5L (ACR-2238) (SPF1237-12K)2003 2006 Infiniti G35 7. 25in Twin Disc Race Kit by Action Clutch Action Clutch multi disc racing clutches are designed for high performance racers who push their vehicles to the limit. The 7. 25in Twin Disc race kits feature two sintered metallic race discs, formulated in the USA, which offer superior heat capacity and a smoother engagement than any other disc on the market. It also comes with a Ventilated 6061 T6 Billet Aluminum clutch cover design