S&S Cycle 310-1226 129in. Power Package Engine Performance Kit - Wrinkle Black electrical 1983-1985 Harley Davidson XLX 1000

1983-1985 Harley Davidson XLX 1000

1999-2001 Arctic Cat Pantera 580 EFI

Extended aramidic fiber stretch paneling around chest

2001-2006 Harley Davidson FXSTBI Night Train

S&S Cycle 310-1226 129in. Power Package Engine Performance Kit - Wrinkle Black electrical 1983-1985 Harley Davidson XLX 1000Wrinkle black w o highlighted fins and black pushrod tubes, chain drive cam. Transform 107in. oil cooled M8 into 129in. with no case machining required. Big bore cylinders come with matching cam, cam plate and oil pump. Independent scavenge sections for flywheel cavity and cam chest. Magnet in cam chest to help prevent debris from entering oil pump. Feature high performance conical single wire S&S valve springs. Original engine serial numbers are