KB PERFORMANCE Piston Kit - FX/FL KB263.050

If you're building a high-revving FX/FL engine that demands precision and reliability, KB Performance pistons deliver the tight tolerances and superior ring seal that separate competitive builds from the rest. These diamond-machined pistons allow significantly tighter clearances than conventional designs, reducing piston rock and maximizing combustion efficiency across the RPM range. The T-5 hypereutectic aluminum alloy construction combined with KB's legendary heat-treatment process ensures these pistons handle sustained power cycles without compromise.

Technical Specifications:

• Material: T-5 hypereutectic aluminum
• Heat-treated alloy construction
• Diamond-machined precision
• Weight tolerance: ±1 gram
• Dimensional tolerance: ±0.0005"
• Includes piston pins
• Spiral-lock pin clips
• Hastings moly rings included
• Two pistons per kit
• Tighter clearance capability
• Reduced piston rock
• Improved ring seal
• FX/FL engine application
• Bolt-in installation
• MPN: KB263.050

Note: Consult included instructions for proper piston clearance and top ring end gap specifications before installation.