"Valve Guide

Cast iron intake/exhaust guide

Fits S&S Super Stock and stock Harley-Davidson cylinder heads

Guide ID measures aprox. .309 inch/.310 inch with enough material left for proper clearancing

Made in the U.S.A.

For '84-'99 Evolution Big Twin

Overbore: Oversize (+0,001 inch)
Units: Each
Product Name: Valve Guide
Overbore Imperial: Oversize (+0.001 inch)
"