Big Bore Kits

S&S Cycle #920-0145 - Big Bore Kit

Big Bore Kit Complete kits include cylinder sleeves, pistons and head gasket 750cc kit increase bore and stroke to 83.5mm x 67.8mm (stock is 78 mm x 67.8 mm) 865cc Increases bore and stroke to 90 mm x 67.8 mm (stock is 78 mm x 67.8 mm) Both kits...

Wiseco VT2797 - Piston Kit with Gaskets - Standard - Twin Cam 88"/96"/103" Bored to 1746 cc (106 Cubic Inch)

Piston Kit with Gaskets Forged from high-silicon aluminum alloy for maximum strength and dependability Twin Cam pistons have Armor Plating which improves ring seal, eliminates ring micro-welding and improves the piston's ability to defend against...