Want to run AN fittings for all your radiator connections? Here's your solution for the lower radiator connections on your commonrail Cummins! There are a 3 piece design that allow you to mix and match the parts you need, Lower waterneck, tensioner bracket and...

ARP® ADDS 260,000 PSI HEAD STUDS FOR DODGE/CUMMINS & DURAMAX DIESELS With performance enthusiasts adding increasing amounts of turbo boost to diesel applications, ARP® has provided an extra measure of security in the form of extra-strong head studs manufactured from the firm's proprietary Custom...

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

One-piece Cummins push rods for 24V engines. Produced from 4130 chrome molybdenum and heat treated to Rockwell Rc60 their advantage is strength and rigidity.

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.

ARP Racing Fastener TechnologyIn order to overcome the ever popular head gasket failures on todays high performance diesel engines, industry leader ARP has introduced extra heavy-duty head studs for the popular Ford, Dodge and GM diesel powerplants. These ARP studs are rated at extreme...

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

D&J Precision Machine HD 115lb 24v Cummins Valve Springs have been proven with years of testing. We have seen over 120psi of boost on one of D&J Stage 3 cylinder heads with these springs. These are the same valve springs we included standard on...

Designed with a unique 45° center seal anddual outer o-rings, our billet soft plugs aremachined 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...

Want to run AN fittings for all your radiator connections? Here's your solution for the upper radiator connections on your commonrail Cummins!   They allow for a -20 an straight cut o-ring fitting and a -12 an straight cut o-ring fitting for your Coolant...

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...

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

Our Stage 2 Cummins Performance Head is designed for the performance enthusiast. Includes everything in our Stage 1 Cummins Performance Head and a D&J Stage 2 Billet Intake Manifold, thread in soft plugs in the head, titanium valve spring retainers, and heavy duty extra...

Our Stage 1 Cummins Performance Head is a step up in performance without the extra expense and work involved with an aftermarket intake. Our Stage 1 Cummins Performance Head includes everything in our Performance Cummins Reman Head along with 115 pound valve springs, 5...

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

Cummins Titanium Retainers for 1998 and up 24v Cummins cylinder heads. Out titanium retainers are 10 grams lighter than the stock retainers and are included standard on D&J Stage 2, Stage 3 and Stage 4 cylinder heads Cummins titanium retainers are recommended when over...

Our Cummins Reman Head has all the necessary upgrades to make your head durable and reliable. You’re given the option to use your own head or one of our head cores Head is disassembled and all soft plugs are removed Head is cleaned and...

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...