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AI4-SPSD kit features a Sport pressure plate for a nice upgrade
304 stainless tubing and flanges
NX1-XTG4 kit features an Xtreme pressure plate for the most demanding driver
AI4-XTG6 kit features an Xtreme pressure plate for the most demanding driver
NEW: Includes 90 O2 extenders Optional high-flow stainless steel Magnaflow cats are an option
Advanced Clutch Twin Disc HD Street Kit (T1S-F03) PPE_CeramicCoating_2 AI4-SPSD kit features a SportT1S F03 street, twin disc kit offers twice the number of disc surfaces for better wear, heat capacity and long life compared to single disc kits. These kits use a proprietary Positive Lift Floater System design, which results in quiet operation with no floater rattle and no posts to wear. ACT twin disc kits endure an exclusive four stage, heat treating process on all diaphragms. The ACT twin disc kits features the ability to adjust for disc wear and