Wiseco K1643 Piston Kit for 1984-1999 Harley Davidson Evo Big Twin 1340 - 3.528i feed-mpn-18-2910 1998-01 Yamaha YZ125

1998-01 Yamaha YZ125

Rated Line Pull: 3000 lbs

1982 Yamaha XT500

2000-01 KTM 520 EXC

Pivot Works PWSSK-Y05-421 Stem Bearing Kit for Yamaha WR250F / WR250R / WR250X Pivot Works PWSSK-Y05-421 Stem Bearing Kit for Yamaha WR250F / WR250R / WR250X Part Number: PWSSK-Y05-421

Wiseco K1643 Piston Kit for 1984-1999 Harley Davidson Evo Big Twin 1340 - 3.528i feed-mpn-18-2910 1998-01 Yamaha YZ125Wiseco Forged Piston Kit Part Number: K1643 Valve pocket designs allow maximum flow around the valve, allowing the use of oversized valves and high lift cams. Piston crown shapes are designed to promote the maximum intake charge efficiency through a scavenging mixture Cross Flow during intake and exhaust valve overlap. More fuel and air equals more horsepower. Piston domes are designed for optimal quench during the compression combustion cycle,