**Winner at 2018 OCRC Stock Nationals, Dakotah Phend of TLR/Orion** Features: Billet machined with detail fit to fully cover 22 SR plastic stock outdrives 0.7 grams each No more DNFs. Outdrives cannot expand and break! Fully clearanced to allow for bone movement without obstruction Made in the USA Fits: TLR 22 4.0 , 22 3.0 SR versions plastic differential outdrives. Source Schelle Racing Innovations: http://www.schelleracing.com/Schell...R-Stock-Outdrive-Aluminum-Saver-Rings-SCH1421