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66mm pump gas billet domes cut for 4mm stroker crank
ProX Piston Kit Yamaha YZ450F '14-17/WR450F '16-18 12
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1-year warranty on the entire kit*
Q: Do the Wossner pistons require race gas
Yamaha Banshee YFZ 350 65.75mm Pro X Pistons Set Top End Gaskets Pin Bearing NGK YZ250FX 66mm pump gas billet domesBrand New Pair Of Pro X Fully Coated Pistons Top End Gasket Set Bearings NGK Spark Plugs Fits Yamaha Banshee 350 Years 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Kit Includes: Pro X Race Coated 65. 75mm Bore Piston Kit (Includes Pistons, Rings, Pins & Clips) (Pair) Heavy Duty Wrist Pin Bearings (Pair) BPRATV Complete Top End Gasket Set NGK BR8ES Spark Plugs (Pair) These are the specially
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