The ARP Custom Age 625 series head studs are the ultimate head stud for high horsepower and competition engines.  Rolled threads after hardening, c...

Fully TIG Welded, CNC machined billet steel exhaust manifolds- Finished in Black Ceramic Coat rated for 2000ºF- Includes new gaskets for manifold t...

Protect your truck with the technology high power diesel OEMs use. A Fluidampr performance diesel damper provides premium, broad range control of d...

Product Features BulletProof EGR Cooler, GM, 6.6L, Duramax, LMM No Temp Ports, C/K-Series Manufactured by: Bullet Proof Diesel Stainless Steel T...

From 2001 to 2016, Manton's Extreme Duty Billet Valve Bridges for 6.6L GM Duramax engines are designed for high stress applications. OEM bridges we...

Description WCP Duramax Street is a 1/2 thick one-piece Girdle designed to provide additional support to the bottom end of the Duramax Block by ty...

The affordable Wagler Duramax As-forged Street connecting rods are the perfect solution for a hot street truck making 1,000 HP or less. The as-forg...

Wagler Competition Products proudly presents their updated 6.6 Duramax connecting rods. These competitively priced connecting rods feature the ben...

This listing is for 2 shafts which is 1 full set Upgraded Rocker Shafts fit 01-16 Duramax

Wagler's WCPC6618 Billet Rocker Bridges improves horsepower on your 2001-2016 GM Duramax 6.6L. Forging made from 4340ACQ certified material. All dr...

KDD is proud to present our exclusive line of Jesel rocker arms for the 6.6L GM Duramax.  We had the honor of working with the world renowned valve...