Valvetrain Upgrades

Increase performance in the valvetrain of your 1998.5-2018 Dodge 5.9L / 6.7L Cummins with the Hamilton Cams 07-S-003 Valve Springs. Stock springs have 78-82lbs of pressure seat pressure on average at 1.380". If you are over 50psi (boost or drive pressure) and 3,800 rpm, stock springs do not fully co..

The Hamilton Cams 07-C-178/208 Camshaft is the most efficient cam tested for the 1989-2018 Dodge 5.9L/6.7L Cummins. On a moderate street truck, it will net you the best economy out of all Hamiltom Cams. Due to its short duration and wide lobe separation angle, it also has the least overlap (when int..

Colt Cams is proud to introduce our latest grinds for the Cummins 5.9L B series engine! We've worked long and hard to develop these great new profiles. We've dyno'ed some 50 different combinations of durations, lobe separation and installed centerlines to come up with the ultimate cam for your Cummi..

Eliminate valve train float in the Cummins 5.9 and 6.7 engines with the MaxSpool Engineerings Cummins Dual Valve Spring kit. These springs are perfect for high performance and competition use engines that run high boost and high horsepower and allow high lift cam profiles to work properly. We offer ..

1998.5-2016 Dodge 24 Valve 5.9L & 6.7L Cummins Extreme duty 750hp and over 7/16", .120" Wall PushrodThe pushrod is a very important and often overlooked component in any high horsepower build. It doesn't have to do a much, just transmit lift from the lifter to the rocker arm, and bend or deflect..

These tappets work with all 1989-2016 Dodge Cummins engines. At 1.45" they will not have interference with the Fuel pump eccentric on 12v engines and are much wider than the 1.1" tappets used in early 12v engines. This means they have more surface area to work with our wider lobes which will promote..

Custom designed Tappets by Colt Cams. Featuring maximum crown or convex surface. This is the #1 feature to guarantee rotation on the Cummins. Over the last few years, we've noticed large inconsistencies in the crown with the current tappets on the market. Some are flat and even dished! Colt Cams add..

Fleece Performance Billet Rocker Arm Bridge for 1998.5 + 24v 5.9L/6.7L Cummins (This is a quantity of 12)Fleece Performance part number: FPE-BRAB-C1..

Heavy duty 4340 Chromoly pushrods with billet ends. A must for high-rpm, high hp engines!Standard length. 98.5-02 24 Valve Cummins Diesel...

The Hamilton Cams 07-S-004 Tool Steel Retainers are the perfect addition to Hamilton Valve Springs on your 1998.5-2018 Dodge 5.9L/6.7L Cummins. These Tool Steel Retainers feature an ultralight design and work great in applications running over 4500 RPM, and with a cam that has over .320" lobe lift.F..

Aftermarket Cam Gear.Will not work on 2001-2002 Trucks, you will need the cam gear with the tone ring built in. Picture for representational purposes only.  McBee: M-3929028 ..

Fits mid-1998 to 2002 24 Valve engine. Billet Valve cover machined in-house, includes o-ring sealed oil fill cap. Taller than factory valve cover for extra clearance of custom valvetrain parts. Starts as 78 pound block of aluminum, that is approximately 10 pounds finished. Requires stock valve cover..

2002-1998 DT L/D L6 5882cc 5.9L1 Year Limited WarrantyFrom the leader in aftermarket engine sealing, FEL-PRO the gaskets professionals trust. Each gasket, set, or seal is built to meet or exceed all original equipment specifications and is validated for fit, form, and function. Application s..

Set of 12 OEM Valve Bridges were originally designed for stress levels that were nowhere near what is being seen in recent years, which has allowed for rocker arm and pushrod issues to arise in performance applications. When the stress on the valve bridge exceeds what is considered a reasonable wind..

Will not work on 2001-2002 Trucks, you will need the cam gear with the tone ring built in. Fits 12 and & 24 valve Cummins trucks, 1989-2000. Picture for representational purposes only. ..

Includes 1 (one) exhaust/intake valve seal.You will need 24 of these. Superceded Part Number: 3955393 Part number:  4991571..

24 Valve Titanium Retainers and Keepers Set includes24 ea titanium retainers 24 pr stock cummins keepers Items are available separately or with bridges..

24V Cummins Pressure Tower Valve Spring Kit (24 Springs, 24 Retainers, Locks) Please call if using a high lift cam to confirm clearance. Part number: D-105-KIT-24v..

12x Cummins Part Number 3941253 Number 2 in the picture...

Kit includes: HD 110PSI Springs, Titanium retainers, HD billet bridges, & new stock keepers.Bridges not recommended if truck is still driven on the street.Heavy duty push rods are highly recommended with the use of these springs...

Set of 24 90lb Valve Springs for a 1998.5-2007 5.9L Cummins Engine..

24V CUMMINS PUSHRODS Due to the overall lengths of the Stock 3/8 diameter pushrods being almost 11.5 inches in the 24V Cummins, we feel the strength of the OEM pushrods are not adequate for anything other than a Stock vehicle. When the stress on the pushrod surpasses what is considered a reasonable..

Our 7/16″ .168 wall push rods for 24V engines have the advantage of  strength and rigidity. They have been proven to 3000+ HP and are still good for your daily driven truck.   Specs of Push Rods: 7/16” diameter .168 wall, factory length     Part Number: DJ-CH-24FTPR..

Set of 12 OEM rocker arm trunnions were originally designed conservatively and in recent years this has allowed for rocker arm and pushrod issues in applications where load or performance is exceeding OEM. When the stress on the trunnion rises above what is considered a reasonable window of operatio..

Make your engine do what you want it to with a custom camshaftThe timing and duration that your engines valves lift is critical to performance and the characteristics of the truck. Adjusting these with a custom camshaft can have drastic effects on power, turbo spool up, and torque produced. Th..

Kit includes: HD 90PSI Springs, Titanium retainers, HD billet bridges, & new stock keepers. Bridges not recommended if truck is still driven on the street...

Our HD 115lb 24v Cummins Valve Springs have been proven with years of testing. We have seen over 120psi of boost on one of our Stage 3 cylinder heads with these springs. These are the same valve springs we included standard on our Stage 1, Stage 2, Stage 3 and Stage 4 performance cylinder heads and ..

24V Cummins Tool Steel Nitrided Tappets ( Sold as set of 12) Not for use with a cast cam Part number: D-150-24v..

Control the valvetrain in your 1998.5-2018 Dodge 5.9L & 6.7L Cummins with the XDP 24V Performance Valve Springs & Retainer Kit XD313. Valve springs are an essential upgrade that are often overlooked in many performance builds. The factory valve springs in your engine are not intended to handle the i..

Upgrade the Rocker Arm Bridges in your 1998.5-2018 Dodge 5.9L & 6.7L Cummins with the XDP Billet Rocker Arm Bridge Set XD318. From the factory, your Cummins rocker arm bridges are only designed to operate under the stock output levels. The added stresses and load from a modified engine can quickly e..

Fleece Performance Billet Rocker Arm Bridges for 1998.5 + 24v 5.9L/6.7L Cummins (set of 12)   Prop 65WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov ..

Increase the reliability and performance of the valvetrain in your 1998.5-2018 Dodge 5.9L & 6.7L Cummins with the XDP Pushrods 3/8" Street Performance XD204. In modified Cummins applications, the factory Pushrods are not adequate to handle the stress from increased cylinder pressures, valve spring p..

Manton Is proud to announce we are now offering "Bolt On" Toolsteel Roller Rockerarm Assemblies for the 1998.5 - Present 5.9/6.7 Cummins Diesel. Manton has incorporated our same Values in our new diesel system as we have used in our Proven Top Fuel and Blown Alcohol Fat Head Hemi Roller Rockerarm s..

If you are looking to dress up your 5.9 Cummins this is the first piece of the puzzle ! Remove the cheap cast valve cover and replace it with this clean looking billet aluminum piece. All parts including the oil fill cap are manufactured from solid 6061 T6 billet aluminum. Valve cover includes all s..

Change the valve springs in your 1998.5-2019 Dodge 5.9L & 6.7L Cummins with the XDP 24V Valve Spring Compressor Tool XD311. A must have in the tool box of any enthusiast, or professional technician. We all know using the right tools can cut hours off a job saving you time, money, and frustration. Th..

The XDP Roller Rocker Arm Assembly Set XD326 is the ultimate upgrade for the rocker arms in your 1998.5-2018 Dodge 5.9L/6.7L Cummins. Your valvetrain components are on borrowed time if your engine is heavily modified. The XD326 addresses multiple weak points to give you a valvetrain that will suppor..

Increase reliability and put maximum power to the ground in your 1998.5-2018 Dodge 5.9L/6.7L & 6.7L Cummins with the XDP Competition & Race Performance 7/16 Pushrods XD205. In high performance and competition applications, the factory pushrods are no where near adequate to handle the stress from inc..

D&J Precision Machine Cummins Titanium Retainers for 1998 and up 24v Cummins cylinder heads. Our valve spring titanium retainers are proudly made in-house and they are 10 grams lighter than the stock retainers. Our Cummins Titanium Retainers are included standard on D&J Stage 2, Stage 3 and Stage 4 ..