MAHLE 9900112 Wrist Pin Piston Lock Ring 20mm

The MAHLE 9900112 wrist pin lock ring is a precision-engineered retention clip designed to secure piston wrist pins in high-performance and OEM engine applications. This round wire lock features a 20mm diameter specification with 0.787-inch inner diameter and 1.6mm wire thickness, providing reliable retention for floating wrist pin assemblies.

Key Features:

• Round wire design for even load distribution and secure retention
• 20mm application size with 0.787-inch (20mm) inner diameter
• 1.6mm round wire thickness for optimal strength
• Precision manufactured to MAHLE's exacting tolerances
• Heat-treated spring steel construction for durability
• Sold as individual lock ring or pair depending on packaging

MAHLE's wrist pin locks are engineered to withstand the extreme forces and temperatures inside modern engines. The round wire profile distributes stress evenly around the groove, reducing the risk of failure compared to rectangular wire designs. Essential replacement component during engine rebuilds or piston replacement.