Cummins 4BT with VE Pump New Injector Set: Economy Series injector, new nozzle and injector body, OEM quality with slight performance gain over stock. No cheap knockoffs! New injector set with no core. Details: Engine: Cummins Fuel Type: Diesel Condition: New Not For Sale...

Cummins 4BT with VE Pump New Injector Set: Approximately 35HP improvement over stock for most applications. Excellent mileage and smoke control. Sold as a new set with no core charge. Details: Engine: Cummins Fuel Type: Diesel Condition: New Not For Sale In California Additional...

Cummins 4BT with VE Pump New Injector Set: Approximately 50-70 HP improvement over stock on most applications. Good smoke control, recommend use with modified turbo. Sold as a new set with no core. Details: Engine: Cummins Fuel Type: Diesel Condition: New Not For Sale...

Cummins 4BT with VE Pump New Injector Set: Approximately 70-100 HP improvement over stock in most applications. Upgraded turbo and little to no towing highly recommended. Sold as a new set with no core. Details: Engine: Cummins Fuel Type: Diesel Condition: New Not For...

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...

D&J Precision Machine Cummins Titanium Retainers   Designed for 1998 and up 24v Cummins cylinder heads, our D&J Precision Machine Cummins Titanium Retainers are meticulously crafted in-house for superior performance. These valve spring titanium retainers are 10 grams lighter than the stock retainers, providing...

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...

Use only the best with our D&J Cummins Head Gasket kit 2007-2007 5.9 Common Rail. Includes genuine Cummins head gasket, exhaust manifold gaskets, long intake gasket air horn gasket, injector install kit with cross tube o-ring, rocker box gasket, and thermostat gasket.

Use only the best with our D&J Cummins Head Gasket kit 2007.5-2018 6.7 Includes genuine Cummins head gasket, exhaust manifold gaskets, long intake gasket air horn gasket, injector install kit with cross tube o-ring, rocker box gasket, and thermostat gasket.