The Supertech manganese bronze valve guide set includes eight guides sized for a 6.6 mm stem and is sold as a set of eight. This listing provides a complete group of replacement guides when multiple valve seats require the same 6.6 mm dimension. The material and quantity are explicit in the source, making it suitable for jobs that need an eight-piece valve guide set.
Supertech 6.6mm Stem Manganese Bronze Valve Guide - Set of 8