CAST PISTONS EVO 80CI 8.6:1 .020 Category_Default Category/SLED/Polaris/AXYS 850 while the stabilization ribs afford

while the stabilization ribs afford high resilience

Does More than Work

Precisely valved and tuned • 5/8” Chrome Shaft

Open cell foam absorbs sweat and retains vision clarity by excluding dust and debris

10 replacement blades and our specially designed heated carbide cutting blade used on the original Tread Doctor™ With the Tread Doctor Sniper Kit you can sharpen your knobby’s with the cutting blade and then change heads to snipe your tire for the ultimate custom traction knobby design

CAST PISTONS EVO 80CI 8.6:1 .020 Category_Default Category/SLED/Polaris/AXYS 850 while the stabilization ribs affordKB Hypereutectic alloy pistons are cast with a 16% high silicon content that has very high thermal barrier properties along with a low thermal expansion rate, allowing tight piston to cylinder wall clearances. This makes them ideal for air cooled engines, offering optimal ring seal, quieter engine running and reduced wear. Hypereutectics are best suited for stock or mild compression ratios up to 10. 5: 1 running on pump fuel.