D&J PRECISON MACHINE

D&J Precision Machine 9/16×6.5″ head stud kit. These head studs are custom made by ARP. The nuts and washers are machined by us to ensure clearance for rocker box and pedestals...

The D&J DJP100001 HEAVY DUTY 7/16″ .168 WALL PUSH RODS designed for 1998.5-2018 Cummins 5.9L/6.7L 24V engines are the ultimate upgrade for your truck's performance. These push rods have...

The D&J DJPCNC100006 Billet Stage 2 Intake Manifold for 2003-2007 Cummins 5.9L 24V engines is crafted specifically for use with our Stage 2 cylinder heads, offering superior performance and...

The D&J DJPCNC100008 Billet Stage 2 P-Pump Intake Manifold for the 1998.5-2002 Cummins 5.9L 24V engine is the ultimate upgrade for your vehicle. Crafted with precision and designed for optimal...

Enhance the look of your engine with the D&J Precision Machine Anodized Billet Oil Cap Cover. This meticulously crafted cover is the perfect embodiment of our brand's commitment to precision and...

Crafted with precision and engineered for performance, the D&J Precision Machine Billet Valve Cover for 06 to Present Year Dodge Cummins engines is a game-changer in the aftermarket valve cover...

Crafted with precision and quality in mind, the D&J Precision Machine 03-05 Dodge Cummins Billet Valve Cover is a top-of-the-line product designed for the discerning vehicle owner. Engineered...

Experience enhanced performance and aesthetics with the D&J Precision Machine Billet Valve Cover 03-05 in striking Black Powder Coat finish. Our meticulously designed valve cover offers a perfect...

Crafted with precision and expertise, the D&J Precision Machine Billet Valve Cover sets a new standard in the aftermarket valve cover market. Engineered in-house to ensure an optimal balance of...

Experience superior quality and performance with the D&J DJPCNC100089 Billet Front Freeze Plug Kit designed for 1989-2024 Cummins 5.9L and 6.7L 24V engines. Say goodbye to leaks and ensure optimal...

The D&J DJPCNC100092 Billet Freeze Plug Kit for 2003-2018 Cummins 5.9L/6.7L 24V engines is a game-changer in the world of freeze plug solutions. Say goodbye to leaking freeze plugs and complicated...

The D&J DJPCNC100103 Billet Grid Heater Delete is the ultimate accessory for enhancing the performance of your 1998.5-2007 Dodge 5.9L Cummins Diesel engine. Crafted from high-quality 6061 aluminum,...

The D&J DJPCNC100104 Billet Grid Heater Delete is an essential upgrade for your 1989-2007 Dodge Cummins 5.9L 12V/24V diesel engine. This innovative product is designed to provide an additional 0.500"...

Enhance the performance and durability of your Cummins 5.9L 24V engine with the D&J DJPCNC100167 Billet Timing Cover. Precision-machined from high-grade 6061 aluminum, this timing cover is...

Experience superior strength and performance with the D&J DJPCNC100207 Tool Steel Wrist Pins designed for 1989-2007 Cummins 5.9L 12V/24V engines. Crafted with precision at our state-of-the-art...

The D&J DJPCNC100208 Tool Steel Wrist Pins for 2007.5-2018 Cummins 6.7L 24V engines are an essential component for those seeking to enhance the performance and durability of their vehicles. This...

Elevate the performance of your Cummins engine with the D&J DJPCNC100216 Titanium Valve Spring Retainers designed for 1998.5-2024 5.9L/6.7L 24V engines. Crafted by D&J Precision Machine,...

Experience the unmatched power and reliability with the D&J DJPCNC100225 X-BEAM Billet Connecting Rods designed for 1989-2018 Cummins 5.9L/6.7L 12V/24V engines. Our rods are not just your average...

The D&J DJPCNC100227 Cummins Billet Rear Freeze Plug is a high-quality replacement part designed specifically for Cummins 5.9L and 6.7L 24V engines manufactured between the years 2003 to 2024. This...

Experience superior quality and functionality with the D&J Precision Machine Custom LED Cummins Billet Valve Cover designed for 2006 and newer Cummins engines. Our innovative approach puts...

The D&J DJPCNC100235 X-BEAM STOCK LENGTH BILLET CONNECTING RODS for 1989-2018 Cummins 5.9L/6.7L 12V/24V engines are the pinnacle of strength and performance in the market. Engineered to withstand...

Enhance the power and reliability of your diesel engine with the D&J DJPCNC100239 5.9 FSR (Forged Steel Ring) Piston designed for 2003-2007 Cummins 5.9L 24V engines. These high-performance pistons...

Elevate the performance of your diesel engine with the D&J DJPCNC100239 FSR (Forged Steel Ring) Pistons designed for 2007.5-2018 Cummins 6.7L 24V engines. Crafted with precision engineering and...

Experience superior performance and reliability with the D&J DJPCNC100242 Billet Side Freeze Plug designed for Cummins 5.9L/6.7L 12V/24V engines from 1989 to 2024. Say goodbye to leaks with our...

Experience unparalleled fuel system performance with the D&J Precision Machine Waterman Mechanical Lift Pump Kit. Say goodbye to the complexity of dealing with dual electric lift pumps, as this...

The D&J DJPCNC100273 Billet Air Shutoff Guillotine is the ultimate solution for maintaining the safety and performance of diesel engines. Crafted with precision engineering, this guillotine serves as...

The D&J DJPCNC100297 Billet Air Shutoff Guillotine with Velocity Stack is a cutting-edge product designed to elevate the performance of diesel engines to new heights. Combining precision airflow...

The D&J Precision Machine Waterman Mechanical Lift Pump Kit (Excl. Cover) is the ultimate solution for those seeking high performance and reliability in their fuel system. Specifically designed...

Enhance the performance of your Cummins engine with the D&J DJPDHSP115KIT 115LB 24V Cummins Valve Springs. Engineered and tested for maximum durability and efficiency, these valve springs are a...