D&J Precision Machine Products

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....

5.9 Cummins Essentials Reman Long Block Overview The Essentials Reman Long Block is designed to provide reliable and efficient performance for your diesel engine needs. Built with precision and care, this remanufactured engine is perfect for those seeking quality and affordability. Key Features Comprehensive...

D&J 24v VP44 HP Reman Block At D&J Precision Machine, we understand the value of providing our customers with the option to rebuild their own engines. With that in mind, we present a budget-friendly alternative to our full in-house engine builds: the D&J HP...

D&J 12v HP Reman Block At D&J Precision Machine, we understand the value of providing our customers with the option to rebuild their own engines. With that in mind, we present a budget-friendly alternative to our full in-house engine builds: the D&J HP Reman...

test

Stage 2 6.7 CR Cummins Performance Head Our Stage 2 6.7 CR Cummins Performance Head is designed for the performance enthusiast. It includes everything in our Stage 1 Cummins Performance Head plus a D&J Stage 2 6.7 CR Billet Intake Manifold, thread-in soft plugs...

Performance Series 6.7 Block At D&J Precision Machine, we understand the value of providing our customers with the option to rebuild their own engines. With that in mind, we present a budget-friendly alternative to our full in-house engine builds: the Performance Series Block. Key...

Our D&J Precision Machine Hat is guaranteed* to boost your horsepower by at LEAST 100. Whether it is a sunny day and you are trying to keep the sun out of your eyes, or if it's a messy-hair day and you're covering all that...

  5.9 CR HP Reman Cylinder Head   Our 5.9 CR Performance Cummins Reman Head includes essential upgrades to ensure durability and reliability, addressing common issues associated with these heads. One prevalent problem with factory and many aftermarket heads is the valve seats loosening...

D&J Precision Machine Street Performance 6.7 Cummins Long Block Our Street Performance 6.7 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 Stage...

Billet Stage 2 Intake Manifold   The Billet Stage 2 Intake Manifold is specifically designed for our Stage 2 cylinder heads. It is available with either 5.9 intake and fuel setups or 6.7 intake and fuel setups. These intakes utilize the stock intake horn...

Waterman Direct Drive Setup   No need to buy a whole new system when you can just buy the kit! Our Billet Direct Drive setup eliminates the complication of two electric lift pumps. It is capable of 300 GPH and engine dyno-proven to support...

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...

Stage 3 6.7L Cummins Performance Head Our Stage 3 Cummins Performance Head is designed for extreme high performance. It includes everything in our Stage 2 Cummins Performance Head, along with a D&J Stage 3 Billet Intake Manifold, oversize super alloy intake and exhaust valves,...

VP44 24v HP Reman Cylinder Head   Our VP44 24v Performance Cummins Reman Head includes essential upgrades to ensure durability and reliability, addressing common issues associated with these heads. One prevalent problem with factory and many aftermarket heads is the valve seats loosening and...

Stage 2 P-Pump Cummins Performance Head   Our Stage 2 P-Pump Cummins Performance Head is designed for the performance enthusiast. It includes everything in our Stage 1 Cummins Performance Head plus a D&J Stage 2 P-Pump Billet Intake Manifold, thread-in soft plugs in the...

Stage 2 VP44 Cummins Performance Head   Our Stage 2 VP44 Cummins Performance Head is designed for the performance enthusiast. It includes everything in our Stage 1 Cummins Performance Head plus a D&J Stage 2 VP44 Billet Intake Manifold, thread-in soft plugs in the...

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...