1.5 times thicker than stock ; Balanced to OE specifications ; One piece billet machined with integrated counterweight ; Manufactured from Quench and Tempered Steel with a Yield strength of 100,000psi ; Not affected by hydrogen embrittlement caused by zinc plating, which can drastically reduce strength; Black oxide coating; Heat treated and hardened ring gear to prevent failure; Fits any OEM or aftermarket torque converter