KB PERFORMANCE Piston Kit - Evolution KB305.010

KB Performance's Evolution KB305.010 piston kit delivers the tight tolerances and superior ring seal that separate competitive engines from the rest. With diamond-machined precision and hypereutectic aluminum construction, these pistons minimize rock and extend ring life while supporting aggressive tuning. If you're building or rebuilding for reliability and peak performance, this kit gives you the durability and consistency that matters when it counts.

• T-5 heat-treated hypereutectic aluminum
• ±1 gram weight tolerance
• ±0.0005" piston-to-piston tolerance
• Diamond-machined for precision fit
• Reduced piston rock and slap
• Superior ring seal performance
• Tighter installation capability
• Two complete pistons included
• Wrist pins and spiral-lock clips included
• Hastings moly ring set included
• Extended piston and ring life
• Replacement rings available separately
• Requires instruction review for clearance
• Special ring gap attention required