KB PERFORMANCE Piston Kit KB272.010

If you're building a high-revving engine that demands precision and durability, KB Performance pistons are engineered to outperform standard OEM components through superior manufacturing tolerances and tighter fitment specifications. The T-5 heat-treated 390 hypereutectic aluminum alloy construction allows you to run tighter clearances, reducing piston rock and improving ring seal for better combustion efficiency and longer component life. Whether you're running a street-performance build or a dedicated race application, these pistons deliver the dimensional consistency and thermal characteristics serious builders depend on.

• Material: T-5 heat-treated 390 hypereutectic aluminum
• Weight tolerance: ±1 gram
• Dimensional tolerance: ±0.0005 inches
• Diamond-machined finish
• Allows tighter piston clearance
• Reduced piston rock
• Improved ring seal
• Kit includes: 2 pistons
• Includes: wrist pins
• Includes: spiral-lock pin clips
• Includes: Hastings moly rings
• Replacement rings: sold separately
• Requires careful top ring gap setup
• Professional installation recommended
• MPN: KB272.010