The KB Pistons Super Duty Piston, part number KB596LCA.STD, is designed for high-performance engines with a 4.250-inch bore. Crafted with precision, this piston features an anodized top ring groove and crown for enhanced durability and corrosion resistance. The Line2Line Abradable skirt coating, applied at a total thickness of 0.003 inches, ensures a zero initial fit, allowing the coating to hone in for a tight, quiet running clearance, which contributes to optimal engine efficiency and longevity. The piston incorporates round wire locks for secure wrist pin retention and includes all necessary rings, wrist pins, and wrist pin locks, providing a complete assembly for ease of installation. This set is sold as a pair, offering a balanced approach to engine rebuilding or upgrades.
Features:
- Anodized top ring groove and crown for durability
- Line2Line Abradable skirt coating at 0.003" for tight fit and quiet operation
- Round wire locks for secure wrist pin retention
- Premium Hastings steel nitride top ring (1.2mm) with a ductile Napier second ring (3.0mm)
- Forced wrist pin oiling for reliable lubrication
- M8 version with flat top, 1.2cc compression chamber, and a compression height of 1.083 inches
- Valve pockets sized to accommodate 1mm oversize valves
- Complete with all rings, wrist pins, and wrist pin locks
- Sold as a pair for balanced engine performance
