Black Friday 2025

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.

For use with Dual CP3 Cover

Mahle 1413H Rod Bearings (Drilled) Our Mahle 1413H rod bearings are drilled in-house to enable pressure lubrication of the wrist pins in our X-BEAM rods. These bearings are designed specifically for use with rods that feature pressure lubing capabilities. Key Features: Precision Drilled: Customized...

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 (excluding bridges, rockers, injector gasket and harness) .All D&J Precision Machine ENFORCER Long Blocks are...

Interstate Mcbee Front Main Seal with Wear Sleeve

Heavy Hauler 12V P-Pump Cummins Long Block Our Heavy Hauler 12V Cummins Long Blocks come fully assembled, including the oil pan, rear crank seal, front cover and crank seal, and oil filter housing, along with our HP Reman Cylinder Head utilizing a new casting....

Heavy Hauler 6.7 Cummins Long Block (2019+)   Our Heavy Hauler 6.7 Cummins Long Blocks for 2019+ models come fully assembled, including the oil pan, rear crank seal, front cover and crank seal, and oil filter housing, along with our Stage 1 High-Performance Cylinder...

Heavy Hauler 5.9 Cummins Long Block Our Heavy Hauler 5.9 Cummins Long Blocks come fully assembled, including the oil pan, rear crank seal, front cover and crank seal, and oil filter housing, along with our Stage 1 High-Performance Cylinder Head. We include a street/towing...

Heavy Hauler 6.7 Cummins Long Block Our Heavy Hauler 6.7 Cummins Long Blocks come fully assembled, including the oil pan, rear crank seal, front cover and crank seal, and oil filter housing, along with our Stage 1 High-Performance Cylinder Head. We include a street/towing...

OEM Cummins Oil Cooler 

OEM Cummins oil pump for 2003+ engines. 

D&J Precision Machine Performance Series 5.9 Cummins Long Block   Our Performance Series 5.9 Cummins Long Blocks come fully assembled from the oil pan to the rocker box with our X-Beam Stock Length Billet Rods and our Stage 2 High-Performance Cylinder Head. We custom-build...

D&J Precision Machine Performance Series 6.7 Cummins Long Block Our Performance Series 6.7 Cummins Long Blocks come fully assembled from the oil pan to the rocker box with our X-Beam Stock Length Billet Rods and our Stage 2 High-Performance Cylinder Head. We custom-build this...

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...

The Ready Run Reman Engine is designed to provide reliable and efficient performance for your diesel engine needs. This engine starts with the Precision Plus Reman Long Block and adds a host of BD components to prepare it for installation. Including a complete high-pressure...

LONG BLOCK Comprehensive Inspection: Each engine is disassembled, crack checked, inspected, and all threaded holes are tapped, blasted, and cleaned before machining. Precision Machining: CNC blueprinted, bored, honed, and deck surfaced. Each crankshaft is checked for straightness and size and repaired as needed. Thorough...

The Ready Run Engine Package RAM 2500/3500 6.7L Cummins 2007.5- ‘12 Reman Engine is designed to provide reliable and efficient performance for your diesel engine needs. This engine starts with the Precision Plus Reman Long Block and adds a host of BD components to...

The Ready Run Precision Plus Engine Package RAM 2500/3500 6.7L Cummins 2013- ‘18
 Reman Engine is designed to provide reliable and efficient performance for your diesel engine needs. This engine starts with the Precision Plus Reman Long Block and adds a host of BD...

D&J Precision Machine Street Performance 5.9 Cummins Long Block   Our Street Performance 5.9 Cummins Long Blocks come fully assembled, including the oil pan, rear crank seal, front cover and crank seal, and oil filter housing. Featuring our X-Beam Stock Length Billet Rods and...