KB PERFORMANCE Super-Duty Piston KB909LCA.STD

Piston rock and ring flutter are silent killers of engine efficiency and longevity—they compromise seal integrity, waste power, and introduce unwanted noise. The KB PERFORMANCE Super-Duty Piston KB909LCA.STD eliminates these issues entirely through its innovative skirt coating technology, which self-hones to create a perfect cylinder-to-wall fit with zero clearance compromise. This is precision engineering that pays dividends in throttle response, fuel economy, and engine durability across the full RPM range.

Whether you're running a naturally aspirated build, forced induction setup, or alcohol-fueled application, these pistons are engineered to handle thermal stress and maintain consistent performance lap after lap. The hard anodized crown and top ring groove prevent corrosion, micro-welding, and heat-related degradation—eliminating the variables that shorten piston life.

• Self-honing skirt coating
• Zero install clearance
• Eliminates piston slap
• Hard anodized crown
• Alcohol-fuel compatible
• Anti-micro weld groove
• Includes rings, pins, clips
• Made in U.S.A.
• CNC-precision machined
• Bolt-on replacement