Top End

Progressively wound springs using Kobe super-clean, chrome silicon-based wire that is heat treated and shot peenedTight-tolerance, FEA-designed hardened steel Posi-Loc? style upper retainers to...

All pistons are heat treated with a T-5 hardening and tempering cycleAll piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston lifeCast...

Athena Piston Kit With Gaskets - 76.76 Mm - Crf250R P5F0768245001B Honda -- CRF250R -- (2013, 2010, 2011, 2012)

Athena Piston Kit With Gaskets - 76.75 Mm - Crf250R P5F0768245001A Honda -- CRF250R -- (2011, 2013, 2010, 2012)

Vintco Top End Piston Kit Kth01-1.0 Honda -- CR125R -- (1974, 1975); Honda -- MT 125 R -- (1977)

Vintco Top End Piston Kit Kth01-1.5 Honda -- MT 125 R -- (1977); Honda -- CR125R -- (1974, 1975)

• Enhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication • Lightweight piston with a tight piston wall clearance for a quieter running engine...

2 Stoke Pistons:include piston, rings, pin and clipsPiston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance4032 T6 Forged Aluminum...

• Enhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication • Lightweight piston with a tight piston wall clearance for a quieter running engine...

2 Stoke Pistons:include piston, rings, pin and clipsPiston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance4032 T6 Forged Aluminum...

2 Stoke Pistons:include piston, rings, pin and clipsPiston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance4032 T6 Forged Aluminum...

• Enhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication • Lightweight piston with a tight piston wall clearance for a quieter running engine...