TCS billet direct drum



A518, A618, 47RE & 48RE Billet Steel Front Drum & Extra Large Billet Aluminum 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.
  • OPTIONAL- A TCS drum retainer & 15 springs. (#123900DSR) 


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