Big Bore Kits

S&S Cycle 920-0145 - 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 increase...

Wiseco VT2797 - Piston Kit with Gaskets

FeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityContain all the necessary components for overboring or rebuilding your top endFeature forged pistons, rings, wrist pins and circlipsSpecs Bore Size: 3.927"...