S&S Cycle 2017+ M8 Models 4.320in Bore 550G Cam Power Pack - Black Granite w/ Highlight - Incl. VVT - 310-1236D

The S&S Power Package is the ideal combination of performance and savings designed to transform your engine without breaking the bank. The latest kits combine our biggest big bore cylinders (4.32")...

S&S Cycle 2017+ M8 Models 4.320in Bore 550G Cam Power Pack - Black w/ Highlight - Incl. VVT - 310-1230D

The S&S Power Package is the ideal combination of performance and savings designed to transform your engine without breaking the bank. The latest kits combine our biggest big bore cylinders (4.32")...

S&S Cycle 2017+ M8 Models 4.320in Bore Head Gasket - 900-1331

Engineered for S&S 2017 and newer M8 engines with a 4.320" bore, the 900-1331 Head Gasket is a precision-made multi-layer steel (MLS) gasket designed for high-performance reliability. Manufactured in...

S&S Cycle 2017+ M8 Models 4.320in Bore Piston Ring Set - 1 Pack - 940-0066

S&S Cycle 2017+ M8 Models 4.320in Bore Piston Ring Set - 1 PackThis Part Fits:YearMakeModelSubmodel2017Harley-DavidsonFLHTCU Electra Glide Ultra ClassicBase2017Harley-DavidsonFXDF Fat...

S&S Cycle 2017+ M8 Models 4.320in Bore Piston Ring Set - 2 Pack - 940-0067

S&S Cycle 2017+ M8 Models 4.320in Bore Piston Ring Set - 2 Pack

S&S Cycle 2017+ M8 Models 4.320in Bore Rear Cylinder - Wrinkle Black w/ Highlight - 910-0837

S&S Cycle 2017+ M8 Models 4.320in Bore Rear Cylinder - Wrinkle Black w/ Highlight

S&S Cycle 2017+ M8 Models 4.320in Bore Rear Cylinder - Wrinkle Black w/o Highlight - 910-0842

S&S Cycle 2017+ M8 Models 4.320in Bore Rear Cylinder - Wrinkle Black w/o Highlight

S&S Cycle 2017+ M8 Models 4.320in x 4.375in Piston Set - 920-0150

S&S Cycle 2017+ M8 Models 4.320in x 4.375in Piston Set

S&S Cycle 2017+ M8 Models 4.320in x 4.500in and 4.625in Piston Set - 920-0151

S&S Cycle 2017+ M8 Models 4.320in x 4.500in and 4.625in Piston Set

S&S Cycle 2017+ M8 Models 4.5in Stroke 132in Big Bore Kit - 910-0845A

The biggest Big Bore possible with a slip in kit! The S&S 4.320" bore cylinder kit takes your 107" M8 to 129" and the 114" to 132"

S&S Cycle 2017+ M8 Models 465C Chain Drive Camshaft Kit - 330-0620

Type: 465C Rear; Timing Open: Intake 2.8 degree/Exhaust 33.1 degree; Timing Closed: Intake 14.4 degree/Exhaust 5.8 degree; Duration at 0.053: Intake 197.2 degree/Exhaust 218.9 degree; Valve Lift :...

S&S Cycle 2017+ M8 Models 475C Chain Drive Camshaft Kit - 330-0641

Type: 475C Rear; Timing Open: Intake 2.2º/Exhaust 52.2º; Timing Closed: Intake 31.2º/Exhaust 20.2º; Duration at 0.053: Intake 213.5º/Exhaust 252.5º; Valve Lift : Intake 0.475"/Exhaust 0.475"; Lift at...