S&S Cycle SS310-1225 Power Pack 129ci Big Bore Kit w/Black Pushrod Tubes for Harley-Davidson Touring 17-24/Softail 18-24 w/107ci Oil Cooled Engine This detachable back rest features

This detachable back rest features a short sized pad

Includes steel hub

For the sport lovers

19"-H19990 ------- 37"-198976

S&S Cycle SS310-1225 Power Pack 129ci Big Bore Kit w/Black Pushrod Tubes for Harley-Davidson Touring 17-24/Softail 18-24 w/107ci Oil Cooled Engine This detachable back rest featuresFeatures & Benefits: * 107ci to 129ci Big Bore Kit (4. 320in. Bore) * Fits Oil Cooled Models. * Chain Drive Cam & Forged Pistons with 11. 1 Compression Ratio * Wrinkle Black Finish with Highlighted Cylinder Fins. * Bolt On Kit, No Case Machining Required. * Includes Oil Pump & Cam Plate. * Includes Quickee Pushrods with BLACK Pushrod Tubes * Includes S&S Premium Tappets * Includes Tappet Cuffs * Includes S&S 550 Chain Drive Ca * Includes S&S Valve