K123900SH Dodge A618 A518 46RE 47RE 48RE Transmission Billet Front Drum & X-Large Piston

Dodge A518 (46RE, 46RH) A618 (47RE, 47RH) 48RE Transmission Billet Steel Front Drum & X-Large Piston Made for Performance Dodge Diesel Applications! This billet steel drum is made from AIAI/SAE 1040-1045 Medium-Carbon Machinery Steel - NO Cast Iron used in this one! Stronger, more reliable and safer than the O.E.M. cast iron drum and longer lasting than the aluminum drum - Ideal for street use. Will hold up to 6 friction plates versus 4 in the O.E.M. unit. 55% MORE piston apply surface area! This results in double the clamping force needed in third gear. Engineered with dual oil apply passages for even piston apply. Kit comes with a precision CNC machined billet aluminum piston.