B18A Wrist Pins
These are optional heavy dutywrist pins listed by diameter, length and wall thickness. Chamfered pins fitpistons with wire locks; straight pins use spiral locks. Increased wallthickness helps prevent pin flex, piston deck cracking, pin hole elongation inthe rod and piston and help avoid breakage. Pro pins feature upgraded steelalloy for greater strength and gall resistance.New super alloy pinsexceed 325,000 psi tensile strength and feature anti-friction/anti-gallcoatings. These are perfect for extreme boost applications or ultralight N/Aengines.