Product Overview

Manley 21mm 6-bolt wrist pins are designed as a set of four for use with 4G63 DSM piston sets. These performance pins feature straight wall construction and are available in two wall thicknesses-.150" and .250"-with material options of premium chrome moly or 9310 steel.

Each pin is machined to precise tolerances with a fully tooling-free interior, ensuring consistent concentricity and minimal stress on piston components during high-performance operation.

Key Features

• Straight wall construction ensures optimal piston pin alignment
• Premium chrome moly or 9310 steel options available by wall thickness
• Large O.D. chamfer design requires round wire locks for secure retention
• Exacting size control and perfect concentricity for consistent performance
• Tooling-free interior ensures no surface imperfections or stress points

Specifications

Available Configurations

Applications

• Used with 6-bolt 4G63 DSM piston sets

What's Included

• 4 Wrist Pins