WISECO CS25 BBC Flat Spiral Wrist Pin Locks for 0.990 in Pins, Set of 4

Secure your piston assembly with WISECO CS25 BBC Flat Spiral Wrist Pin Locks. Designed for wrist pins with a 0.990 in diameter, these precision-engineered steel locks provide dependable retention in high-performance engine applications. The flat spiral design helps maintain a consistent fit within the piston pin groove while supporting reliable operation under demanding conditions.
Each set includes four wrist pin locks, making it convenient to complete an installation or service multiple piston assemblies. WISECO manufactures these locks to provide a practical replacement solution for compatible big-block Chevrolet applications. Verify the piston, wrist pin, and groove specifications before installation to ensure proper fit and safe engine operation.
The WISECO CS25 spiral locks are made from durable steel for strength and resistance to distortion during use. Their compact profile is suited to applications requiring secure wrist pin retention without unnecessary interference. Install according to the piston manufacturer's recommendations, and inspect the locks, grooves, and wrist pins for damage or wear before assembly.

Features:

• Brand: WISECO

• Part Number: CS25

• Application: BBC flat spiral wrist pin locks

• Wrist Pin Diameter: 0.990 in

• Material: Steel

• Design: Flat spiral pin lock

• Quantity: Set of 4