PRODUCT DESCRIPTION: Unlike any design seen in the RC world: MIP Bi-Metal R-CVDs! This all new design features a keyed joint made out of hardened alum steel that connects to 7075 hard anodized aluminum. This feature allows you to lighten up the drivetrain without sacrificing the durability that steel components offer. Also with this R-CVD design it couples your original axle components with the MIP Bi-Metal bone to keep costs low and give you the essentials to transfer over to MIP Pucks system! Of course the system is accompanied by 7075 hard anodized aluminum outdrives and the necessary components to build your aluminum puck diff. Get what your RC stock vehicle needs to keep up with the competition, MIP Bi-Metal R-CVDs! 100% Made in the USA! TARGET CUSTOMERS: PRS1 Stock Racers COMPETITIVE 40% plus lighter than OEMLower maintenance costsHigher quality materials used Replaceable PucksR-CVD Keyed Design7075 Hard Anodized AluminumHardened alum Steel USA Grade materials 100% Made in the USA! MIP Confetti Sticker (2), MIP Thread Gel Safety Sheet (1), MIP Instruction sheet (1), 1/16 Chrome Steel Ball Bearing (7), #2 Hardened Washer (1), 1/4x9/32 Diff Spring (1), 2-56x.925 Diff Screw Shoulder (1), MIP T-Nut (1), MIP Diff Thrust Cover (1), MIP Thrust Retainer (1), MIP Pucks Alum. Male Outdrive (1), MIP Pucks Alum. Female Outdrive (1), BHCS 1-72 x 1/8 Button Head Screw (6), SHCS 1-72 x .250 Cap Screw (3), MIP Lube & Thread Gel Cap (1), MIP CVD Puck Pin (2), MIP Outdrive Puck (8), MIP Pucks Bi-Metal R-CVD Bone (2), MIP Pucks Bi-Metal R-CVD Yoke (2) .050 inch Allen Key (Suggest #9000 MIP Hex Driver Wrench .050 inch)1/16 inch Allen Key (Suggest #9001 MIP Hex Driver Wrench 1/16 inch) 2.0 mm Allen Key- (Suggest #9008 MIP Hex Driver Wrench 2.0mm) COMPATIBILITY: Hobby Pro PRS1