D&J Precision Machine Predator 6.4 Cummins Long Block. Our Predator 6.4 Cummins come fully assembled from the oil pan to the D&J Billet LED Valve Cover. All D&J Precision Machine Performance Long Blocks are blueprinted, and balanced, oil clearance measured, and rings are file...

D&J Precision Machine ENFORCER Deck Plate Long Block   Our ENFORCER 6.7 Deck Plate Cummins comes fully assembled from the oil pan to the D&J Billet LED Valve Cover.All D&J Precision Machine ENFORCER Long Blocks are blueprinted, balanced, oil clearance measured, and rings are...

D&J designed this Cummins billet valve cover in house for the best balance of fit, finish, and functionality, while keeping your budget in mind. These valve covers are made from aircraft quality 6061-T6 aluminum, and come with all stainless steel fasteners. A baffle system...

D&J designed this Cummins billet valve cover in house for the best balance of fit, finish, and functionality, while keeping your budget in mind. These valve covers are made from aircraft quality 6061-T6 aluminum, and come with all stainless steel fasteners. A baffle system...

D&J Precision Machine Dual CP3 Billet Timing Gear Housing Kit   D&J Precision Machine was the first to design and manufacture a billet timing gear housing to drive multiple CP3 pumps for the Cummins 5.9 and 6.7 Common Rail engines. Our customers were losing...

Designed with a unique 45° center seal and dual outer o-rings, our billet soft plugs are machined in the USA from 6061 aluminum.

Designed with a unique 45° center seal anddual outer o-rings, our billet soft plugs aremachined in the USA from 6061 aluminum.

Designed with a unique 45° center seal anddual outer o-rings, our billet soft plugs aremachined in the USA from 6061 aluminum.

Designed with a unique 45° center seal anddual outer o-rings, our billet soft plugs aremachined in the USA from 6061 aluminum.

Designed with a unique 45° center seal and dual outer o-rings, our billet soft plugs are machined in the USA from 6061 aluminum.

Designed with a unique 45° center seal and dual outer o-rings, our billet soft plugs are machined in the USA from 6061 aluminum.

Turn over your Cummins with ease with this Cummins Crankshaft Barring Tool. It is much easier to use than the barring tool that interfaces the flywheel housing and starter ring gear. Remove the 4 bolts holding on the damper, install this tool, reinstall the...

The Strongest Billet Cummins Rods On The Market Proven over 3000hp and 4000tq our X-BEAM Billet Cummins Rods are designed with our unique ” X ” profile to maximize the strength while reducing weight. Our billet rods are made from extreme high impact tool...

Straps are Kevlar - 9800 lb Capacity Quick-release titanium buckles - 3000 lb Rating 3/8" cable has a 3000 rating for comparison Sold individually, most engine configurations require two straps