Products

Wiseco #: K1603 Wiseco piston kit is.030 oversize and is for a 3-3/16 inch bore. Piston set has a compression of 10;1 and includes rings. **Note: R...

Wiseco #: K1604 Wiseco piston set is.040 oversize and is for a 3-3/16 inch bore. Piston set has a compression of 10:1 and includes rings. **Note: R...

Piston set 3-3/16 inch bore.060 oversize has a compression of 8.4:1. Set includes Hasting 3 piece rings 2 wrist pins and 4 circlips. **Note: Run en...

OEM #: 16465-72 Rear cylinder fits 1972 XL 1000cc models. Cylinders are for stock bore stock stroke and compression. Cylinders must be honed to sta...

OEM #: 16464-73A Front cylinder fits Sportster 1000cc 1973-1985 models. Cylinders are for stock bore stock stroke and compression. Cylinders must b...

OEM #: 16465-73A Rear cylinder fits Sportster 1000cc 1973-1985 models. Cylinders are for stock bore stock stroke and compression. Cylinders must be...

Rowe #: 73001 Rowe intake valve roller burnished stem which smooths the finest grind finish to a 4 microinch. Fitment: 1970-1984 XL

Kibblewhite #: 20-4196 Intake valve black diamond Measurements: Head Diameter: 1.935 inches Stem Diameter:.3090 inches Overall Length: 3.615 inches...

OEM #: 18070-70R Sifton steel inchR inch type intake valve with 1-15/16 inch head. intake valves are 3.68 inch long. inchR inch type valves are.080...

101 Scout handlebar features a raw finish without internals. Fitment: 1927-1931 Scout

Clutch drum starter ring gear is 102 tooth bolt-on type. Replacement ring gear for stock clutch drums. Bolt-on ring gear includes screws. Measureme...

York #: 148130 Clutch drum starter ring gear is 102 tooth bolt-on type. Replacement ring gear for stock clutch drums. Bolt-on ring gear includes sc...

This kit increases displacement of the TC-96 models to produce 103cc with stock flywheels. These cylinders require no crankcase machining and are f...

Wiseco #: VT2790 103 inch Big bore Wiseco flat top standard piston kit has a compression of 9.6:1 with 3-7/8 inch bore. Kit includes top end gasket...

103 inch moly coated piston kit. Pistons are.005 inch oversize and features a 3.875 inch bore. Fitment: 2007-2017 FLST 2006-2016 FLT 2007-2017...

OEM #: 17460-07A Twin Cam stock replacement cylinder features a black finish with machined finish fins and has a 3.875 inch bore. For use with stoc...

Wiseco #: VT2788 Big Bore Wiseco reverse domed piston kit for use with standard 3.875 inch bore cylinders with 9:1 compression. Kit includes forged...

York #: 71096 Starter ring gear is 106 tooth is press fit type. Measurements: Inner Diameter: 6-1/2 inches Outer Diameter: 9 inches Fitment: 2007...

TC-88 Big Bore cylinder kit includes forged 10.5:1 piston kit and silver cylinders. This kit requires case machining and fits a stock 4 inch stroke...

Hastings Rings #: 2C5231 Hastings moly piston ring set is standard size. Set includes moly top compression ring and chrome oil ring. For M8 models....

Hastings Rings #: 2C523113 Hastings moly piston ring set is.005 oversize. Set includes a moly top compression ring and chrome oil rings. For M8 mod...

Hastings Rings #: 2C523125 Hastings moly piston ring set is.010 oversize. Set includes a molt top compression ring and chrome oil rings. For M8 mod...

Hastings Rings #: 2C523150 Hastings moly piston ring set is.020 oversize. Set includes a molt top compression ring and chrome oil rings. For M8 mod...

Wiseco #: 4127GFX Standard piston ring set per piston. Sold per piston. Notes:Suggested to use with piston set Fitment: 0 Replacement