Pistons - Rings - Cylinders

Wrinkle Black w/ Highlighted Fins 4.250" bore Updated profile with stock bolt pattern 4.840" Made in the USA Works with stock crankcases. Requires S&S stroker flywheel to achieve 131" displacement (sold seperately). 131" cam...

Black Granite w/ Highlighted Fins 4.250" bore Updated profile with stock bolt pattern 4.840" Made in the USA Works with stock crankcases. Requires S&S stroker flywheel to achieve 131" displacement (sold seperately). 131" cam...

Wrinkle Black w/o Highlighted Fins 4.250" bore Updated profile with stock bolt pattern 4.840" Made in the USA Works with stock crankcases. Requires S&S stroker flywheel to achieve 131" displacement (sold seperately). 131" cam...

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...

Black Granite 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...

Updated profile to fit M8 models including the VVT models Big bore bolt-on kit increases your 114"/117" with 4.50" stroke M8 to 132" with no case machining required S&S oil pump/cam plate Passage plugs are removable for...

Updated profile to fit M8 models including the VVT models Big bore bolt-on kit increases your 114"/117" with 4.50" stroke M8 to 132" with no case machining required S&S oil pump/cam plate Passage plugs are removable for...

Updated profile to fit M8 models including the VVT models Big bore bolt-on kit increases your 114"/117" with 4.50" stroke M8 to 132" with no case machining required S&S oil pump/cam plate Passage plugs are removable for...

Updated profile to fit M8 models including the VVT models Big bore bolt-on kit increases your 114"/117" with 4.50" stroke M8 to 132" with no case machining required S&S oil pump/cam plate Passage plugs are removable for...

Updated profile to fit M8 models including the VVT models Big bore bolt-on kit increases your 114"/117" with 4.50" stroke M8 to 132" with no case machining required S&S oil pump/cam plate Passage plugs are removable for...