Pistons - Rings - Cylinders

Black w/ Highlights 114" to 128" big bore kit; 114" and 117" CVO to 128" big bore kit Bolt-in kit, case maching not required Forged pistons Includes oil pump/cam plate, pushrods with chrome covers, tappets, tappet cuffs,...

Black w/o Highlights 114" to 128" big bore kit; 114" and 117" CVO to 128" big bore kit Bolt-in kit, case maching not required Forged pistons Includes oil pump/cam plate, pushrods with chrome covers, tappets, tappet cuffs,...

Black w/ Highlights 114" to 128" big bore kit; 114" and 117" CVO to 128" big bore kit Bolt-in kit, case maching not required Forged pistons Includes oil pump/cam plate, pushrods with chrome covers, tappets, tappet cuffs,...

Black Granite w/ Highlights 114" to 128" big bore kit; 114" and 117" CVO to 128" big bore kit Bolt-in kit, case maching not required Forged pistons Includes oil pump/cam plate, pushrods with chrome covers, tappets, tappet...

Black Granite w/ Highlights 114" to 128" big bore kit; 114" and 117" CVO to 128" big bore kit Bolt-in kit, case maching not required Forged pistons Includes oil pump/cam plate, pushrods with chrome covers, tappets, tappet...

Transform the 107" oil-cooled M8 into 129" with no case machining required. Big bore cylinders come with matching cam, cam plate and oil pump. Magnet in cam chest to help prevent debris from entering oil pump. Independent scavenge sections for...

Wrinkle Black w/ Highlighted Fins Original engine serial numbers are retained MLS (Multi-Layered Steel) head gaskets Retains stock engine height Stock bolt pattern Works with stock crankcase. Not compatible with VVT models. Compatible...

Wrinkle Black w/o Highlighted Fins Original engine serial numbers are retained MLS (Multi-Layered Steel) head gaskets Retains stock engine height Stock bolt pattern Works with stock crankcase. Not compatible with VVT models. Compatible...

Wrinkle Black w/ Highlight Fins Big-bore bolt-on kit increases 107" M8 to 129" with no case machining required 4.32" bore cylinders with 11.0:1 compression ratio forged pistons S&S oil pump/cam plate with blue anodized finish ...

Wrinkle Black w/ Highlight Fins Big-bore bolt-on kit increases 107" M8 to 129" with no case machining required 4.32" bore cylinders with 11.0:1 compression ratio forged pistons S&S oil pump/cam plate with blue anodized finish ...

Wrinkle Black w/ Highlight Fins Big-bore bolt-on kit increases 107" M8 to 129" with no case machining required 4.32" bore cylinders with 11.0:1 compression ratio forged pistons S&S oil pump/cam plate with blue anodized finish ...

Wrinkle Black w/o Highlight Fins Big-bore bolt-on kit increases 107" M8 to 129" with no case machining required 4.32" bore cylinders with 11.0:1 compression ratio forged pistons S&S oil pump/cam plate with blue anodized finish ...