Supertech Steel Retainer for SPR-2521/2 / 6.0mm Valve Stems - triple or single groove | 2000–2006 BMW M3 (RET-BM2521/1-ST)

2000–2006 BMW M3 Titanium Retainer - Single by Supertech Supertech Titanium Retainers are manufactured with high quality, military certified Titanium Alloy and CNC machined for a tight fit that will ensure long term durability. Features CNC machined and manufactured from high strength titanium alloy Benefits Designed to add strength while offering weight reduction Applications 2000–2006 BMW E46 M3 What's In The Box? 1 - Titanium Retainer Warranty Due to the nature of the application, these parts are sold without any express warranty or any implied warranty of merchantability, or fitness for a particular purpose.