
Winter$17.62

SPI
In stock · stock as of Sep 3, 2026
Shipping calculated at checkout
30-day returns on unused parts
Forged one-piece construction to help with weight reduction & improved flow Performance valves receive a swirl polish, smooth stem treatment, and are made of 21-2n/suh35ht stainless steel Springs are made of swosc-v material (oil-tempered steel wire) Some springs feature a progressive style design with more coils on one end of the spring Progressive springs are heavier on one end and should always be installed towards the bottom Non-progressive springs are paint marked and should be installed towards the top