One-piece Cummins push rods for 24V engines. Produced from 4130 chrome molybdenum and heat treated to Rockwell Rc60 their advantage is strength and rigidity.

D&J Precision Machine HD 115lb 24v Cummins Valve Springs have been proven with years of testing. We have seen over 120psi of boost on one of D&J Stage 3 cylinder heads with these springs. These are the same valve springs we included standard on...

Upgrade your Cummins valve springs and retainers with our Fleece Performance spring and retainer kit. Our springs are manufactured from super clean Hi-Tensile Chrome Silicon steel with a proprietary multi-step heat treating process that minimizes load loss. These springs have a seat pressure of...

Freedom Series Cummins Performance cylinder heads. Each head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory specifications. All heads are inspected, pressure checked, decked, painted, and ready for installation. Plus, the 11 screw in freeze plugs...

Our Stage 1 Cummins Performance Head is a step up in performance without the extra expense and work involved with an aftermarket intake. Our Stage 1 Cummins Performance Head includes everything in our Performance Cummins Reman Head along with 115 pound valve springs, 5...

Our Stage 2 Cummins Performance Head is designed for the performance enthusiast. Includes everything in our Stage 1 Cummins Performance Head and a D&J Stage 2 Billet Intake Manifold, thread in soft plugs in the head, titanium valve spring retainers, and heavy duty extra...

Upgraded 3/8 inch diameter pushrods for Cummins 24V diesel engines. Produced from 4130 chrome molybdenum steel and heat treated to Rockwell Rc60 for outstanding strength and rigidity. These pushrods are designed to stand up to higher valve spring pressure, RPM, and cylinder pressure while...

Fleece Performance Billet Rocker Arm Bridges for 1998.5-2018, 24V 5.9L/6.7L Cummins (Set of 12) Features: These bridges offer a massive 2.5-times strength improvement over the factory bridges. Machined from billet steel The bridges are surface ground for flatness Feature improved oiling to the valve...

Trust Fleece Performance to bring you the best OE alternative parts you need! Our replacement rocker armassembly fits 1998.5-2018 Dodge 5.9L and 6.7L Cummins engines. Features: Direct fit replacement Meets or exceeds OE specifications Application Notes: Replaces Cummins P/N: 4995602 Superseded and alternative Cummins...

Trust Fleece Performance to bring you the best OE alternative parts you need! Our replacement head gasket for the 6.7L Cummins will ensure your engine gets the optimal reseal. Features: OE Replacement Head Gasket for 6.7L Cummins (Standard Thickness) Standard thickness Multi-layer steel construction...

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...

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...

Our Cummins Reman Head has all the necessary upgrades to make your head durable and reliable. You’re given the option to use your own head or one of our head cores Head is disassembled and all soft plugs are removed Head is cleaned and...

Our Stage 3 Cummins Performance Head is designed for the extreme high performance. Includes everything in our Stage 2 Cummins Performance Head, with a D&J Stage 3 Billet Intake Manifold, oversize super alloy intake and exhaust valves, thread in soft plugs in the head,...

Freedom Series cylinder heads - Give new life to your engine with our fully remanufactured Cummins cylinder head. Each head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory specifications. All heads are inspected, pressure checked, decked,...

Introducing our Freedom Series cylinder heads - Give new life to your engine with our fully remanufactured Cummins cylinder head. Each head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory specifications. All heads are inspected, pressure...