- Big Bore Kit
- Bore
- Brand
- 50 Caliber Racing (39)
- Advantage Parts (27)
- Alpha Rider (35)
- Athena (83)
- Athena Az Quad Parts (24)
- Bbr Motorsports (58)
- Cylinder Works (72)
- Honda (30)
- Hyway (28)
- Niche (50)
- Polaris (21)
- Power Part Pros (57)
- S & S Cycle (102)
- Smm (26)
- Tb Parts (134)
- Tbparts (42)
- V-twin (35)
- Vertex (45)
- Wiseco (67)
- Yamaha (41)
- Other (1866)
- Engine Type
- Features
- Machine Type
- Type
- Big Bore (24)
- Big Bore Kit (97)
- Complete Cylinder (12)
- Cruiser (4)
- Cylinder (19)
- Cylinder Barrel (23)
- Cylinder Head (4)
- Cylinder Kit (49)
- Cylinder Piston Kit (5)
- Cylinder Rebuild Kit (6)
- Engine (4)
- Engine Kit (5)
- Engine Parts (5)
- Engine Rebuild Kit (55)
- For Linhai Lh300 (5)
- Piston (10)
- Piston Kit (60)
- Top End Kit (5)
- Top End Rebuild (4)
- Top End Rebuild Kit (20)
- Other (2466)
09-16 Honda CRF450R CRF 450R 100mm 100 490cc Big Bore Athena Cylinder Gasket Kit
Athena / AZ Quad Parts Conglomerate Kit. 100mm 490cc Big Bore Cylinder Top End Kit! This Is The Best Big Bore Cylinder Kit On The Market!
Years 2009 2010 2011 2012 2013 2014 2015 2016. 100mm Nikasil Athena Big Bore Cylinder. Larger Water Jackets For Better Cooling! Athena Complete Top End Gasket Set. For Use With 100mm Piston (Not Included). It will work with your stock head and valves.