Description
New Harley-Davidson OEM piston ring set for compatible Twin Cam 95 Big Bore and 103 engines. Standard-size replacement rings, supplied for one cylinder.
Features:
- Standard cylinder bore: 3.875″ / 3-7/8″ (98.425 mm)
- 1st ring: 1.5 mm
- 2nd ring: 1.5 mm
- Oil ring: 2.5 mm
- OEM part number: 21918-99
- Brand New
Fitment:
- Twin Cam A/B 1999–2006 (NU) equipped with the OEM 95 cu in (1550 cc) Big Bore kit, with a 3-7/8″ cylinder bore
- Twin Cam 103 cu in (1690 cc) 2007–2017 engines with a standard 3.875″ cylinder bore
Package: 1 × Piston Ring Set for One Cylinder
Note: One cylinder only. Confirm cylinder bore size and piston compatibility before ordering.
