PRO CIRCUIT 304 Silencer SH89125-304 Original-Style Gas Cap — Vented Screw onto the lower shock

Screw onto the lower shock mounts of pre-72 Harley models

but produces better upper power on longer race tracks

Titanium link pipe for low mounted muffler

Timing plug with socket head for most models

This drive socket is made from 7075 Aluminum and is anodized black

PRO CIRCUIT 304 Silencer SH89125-304 Original-Style Gas Cap — Vented Screw onto the lower shockThe slightly longer body offers added top end performance while reducing noise output Longer body design helps to reduce noise output 6061 T6 brushed aluminum silencer body Stainless steel inlet tube and end cap Tig and mig welded for strength and durability Double walled mounting bracket(s) Allen head screws ensure easy repacking when needed for extended product life Made in the USA