Traxxas Revo, Revo 3.3 Upgrade Parts Hard Steel Gear Set For Differential Assembly With Shims & O-Rings - 6Pcs Set Black Product Name : Hard Steel Gear Set For Differential Assembly With Shims & O-Rings - 6Pcs Set Item No. : STRV1202-BK Color : Black Will fit : 1/10 Traxxas Revo, Revo 3.3 Order will be processed and shipped in 1-3 business days, usually takes 7-20 business days to arrive worldwide.