Forged from high-silicon aluminum alloy for maximum strength and dependability
Wiseco offers a complete range of popular piston models and years for both trail and racing applications
All Wiseco High-Performance Motorcycle Pistons are priced with rings and circlips;
PK PISTON KITS
Contain all the necessary components for overboring or rebuilding your top end
Feature forged pistons, rings, wrist pins, circlips and top end gasket set
Cylinder sleeves must be purchased separately
4-STROKE RACERS CHOICE PISTONS
Now you can own the same race parts as all the top race teams
These high-tech piston designs offer maximum compression ratios, ultra stiff strutted forgings, and titanium nitride coated rings, which all add up to morepower that is sustained longer
When blow-by starts to increase on other pistons and power starts to fade, Wiseco Race Series parts continue sealing and performing
2-STROKE GP SERIES PISTONS
Have additional features over standard Pro-Lite parts
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
Additionally, boost ports are removed for a more predictable powerband and increased pull on the top end
NOTE: Service intervals may be increased with Racers Choice pistons over conventional Wiseco pistons, and are for expert racers and tuners only.