McLeod - RST Street Twin (incl: Steel Flywheel)RST TWIN DISC Steel Flywheel 6 Bolt LS Motor LS1 LS2 LS3 LS6 LS7 9 11 16" X 1 1 8 X 26 Spline. Organic Organic Facing. 0 Balance168T Intended for the high horsepower street fan, the McLeod RST twin disc clutch kit is an economically priced twin disc clutch kit. Able to handle 800hp, this clutch can handle almost any horse power you can throw at it and still remain street able. Organic lined clutch discs will provide smooth engagement with a soft pedal