Spiro Lock - .990

The Spiro Lock - .990 from JE Pistons is a precision wrist pin lock designed for securing wrist pins in various engine applications. This component is essential for ensuring the reliability of connecting rods under high-stress conditions, making it suitable for both performance and standard engine builds.

Engineered with a .990-inch diameter, the Spiro Lock features a split-ring design that fits securely into machined grooves on the wrist pin. This design provides axial retention without relying solely on friction, ensuring a secure fit even under extreme combustion pressures. The lightweight construction minimizes reciprocating mass, contributing to overall engine efficiency.

Mechanics and engine builders can trust JE Pistons wrist pin locks for assembling or rebuilding engines where durability is critical. This lock is compatible with JE Pistons forged piston kits and select OEM piston designs, making it a versatile choice for various engine configurations.