Piston Kit - 66.40 - Gas Gas | Husaberg | Husqvarna | KTM
Endurance and high rpm
Each piston is electra-coated on the dome, ring groove, and pin bore, for maximum wear resistance and protection from micro-welding, galling and detonation
GP Series parts generally have less machining on the outside, which helps seal up the bore for increased compression
ArmorGlide® skirt coating reduces friction and noise for more horsepower potential
Kit includes piston, ring(s), wrist pin and circlips
Engineered, forged, and machined in the USA
Each piston is E-Coated on the crown, ring grooves, and pin bore, for maximum wear resistance and protection from micro-welding, galling, and detonation
GP Series parts generally have less machining on the outside, which helps seal up the bore for increased compression
Cylinder sleeves must be purchased separately.
Service intervals may be increased with Racer's Choice pistons over conventional Wiseco pistons, and are for expert racers and tuners only.
Additionally, boost ports are removed for a more predictable powerband and increased pull on the top end