KB PERFORMANCE Piston - Evolution KB921C.020

KB Performance's Evolution KB921C.020 pistons deliver the precision engineering and durability demanded by serious racers and high-performance builders. Forged from premium 4032 aluminum alloy, these pistons resist thermal stress and deformation under extreme boost and high RPM conditions. The offset pin design eliminates piston slap noise while the superior coated skirts reduce friction and extend ring life—critical advantages whether you're chasing lap times or building a dependable street machine.

Each kit provides everything needed for a complete piston replacement:

• Forged 4032 aluminum
• Offset pin design
• Superior coated skirts
• Reduced friction technology
• Two pistons per kit
• Wrist pins included
• Spiral-lock pin clips
• Hastings moly rings
• MPN: KB921C020