TCI TH400 HD forward Drum & Input Shaft Bilstein Shocks Two Chamber Race Muffler

Two Chamber Race Muffler

Hellwig 07-13 Chevrolet Silverado 1500 Solid Heat Treated Chromoly 1-1/8in Rear Sway Bar

Switch Wiring Harness

Covered by our 3-Year Warranty

TCI TH400 HD forward Drum & Input Shaft Bilstein Shocks Two Chamber Race MufflerTH400 HD Forward Drum Assembly.. This TH400 HD Drum Assembly is constructed with a larger diameter billet input shaft made from Vaccu Melt 300 Steel for a super high tensile strength. TCI Hardened Input Shafts are constructed from hardened, aircraft quality Vaccu Melt 300 billet steel or Vasco 300 high strength steel. They feature increased lubrication flow and strength with a resized diameter that provides optimum stress distribution along the entire