Another new upgrade for the 2004R. Billet aluminum Low Reverse Clutch Piston.
http://www.ckperformance.com/View/2004R-BILLET-ALUMINUM-LOWREVERSE-CLUTCH-PISTON
http://www.ckperformance.com/View/2004R-BILLET-ALUMINUM-LOWREVERSE-CLUTCH-PISTON