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...

Cummins Billet Timing Cover Our Cummins Billet Timing Cover is expertly machined in-house from high-quality 6061 aluminum, ensuring durability and precision. This cover is designed for easy installation, allowing you to use the factory fan with the stock dampener and belt without any modifications....

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...

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,...

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...

6.7 CR Stage 1 Cummins Performance Head Our 6.7 CR Stage 1 Cummins Performance Head is a step up in performance without the extra expense and work involved with an aftermarket intake. This head includes everything in our HP Reman Head along with 105-pound...

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...

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...

6.7 Fire ring Head Gasket Set With 4.305" x .105"  Fire Rings 

5.9 Common Rail Head Gasket set with 4.305" x .105" rings 

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...

 Billet 5.9 Cummins Grid Heater Delete    Our Billet 5.9 Cummins Grid Heater Delete is designed to optimize airflow into your engine and prevent boost leaks, enhancing overall performance for your 1998.5-2007 Dodge 5.9L Cummins Diesel. Key Features: Premium Material: Made from high-quality 6061...

This billet C2 hub addresses early failures of the Allison transmission C-2 clutch hub in high torque and high horsepower applications. Features: Made from Billet Steel 40% larger cross-sectional area of the throat 70% greater yield strength 35% greater tensile strength Includes modified P1...

727 / 904 Chrysler Mopar Torqueflite Operator Series Billet Shifter Front Exit Motion Raceworks Operator Series shifter incorporates all of the driver needs and add ons into one simple to use platform. This one size fits all shifteradapts to your needs, and can be...

700R4 / 4L60E 4 Speed Reverse Pattern Operator Series Billet Shifter Rear Exit *Add CO2 Assist in Options if Desired* Motion Raceworks Operator Series shifter incorporates all of the driver needs and add ons into one simple to use platform. This one size fits...

The new Firepunk Nitrous distribution block has a -10 AN single feed and 4 -8 AN outlets for a smooth transition of nitrous feeding out to your solenoids.   

Our 11-19 Allison master rebuild kit includes all the parts you need to rebuild your owntransmission. These are the main components we use in all of our 750 horsepowerrated transmissions. This kit includes a machined C3 plate to allow for additionalclutches in the C3...

Our 06-10 Allison master rebuild kit includes all the parts you need to rebuild your owntransmission. These are the main components we use in all of our 750 horsepowerrated transmissions. This kit includes a machined C3 plate to allow for additionalclutches in the C3...

Our 01-05 Allison master rebuild kit includes all the parts you need to rebuild your owntransmission. These are the main components we use in all of our 750 horsepowerrated transmissions. This kit includes a machined C3 plate to allow for additionalclutches in the C3...