KEITH BLACK PISTONS Replacement Piston Pin Spiral Lock. Fits KB Twin Cam Pistons.

Description

Spiral Retaining Ring Installation Tips:

1. The spiral retainer comes unsprung. KB suggests that you slightly spring the retainer about 1/2in.-3/4in. by grasping both ends and stretching it. This will help with installation.

2. Installation of the retaining ring. Place the end of the retaining ring into the retaining ring groove in the piston. Using a small screwdriver press the retaining ring in place. Move around the pinhole in a circular pattern to spiral the complete retainer into the groove. Make sure the retainer is completely in the groove as it will unwind and lead to failure.

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