VALVE SPRINGS / RETAINERS

24V 95lb Single Spring Set (24pcs) The Industrial Injection 95LB Valve Springs we recommend these valve springs for engines that are pushing over 45psi boost and/or 3200rpm. These valve springs will help prevent valve float, there for allowing your...

Our CPP 115lb 24v Cummins Valve Springs are the recommended for engines turning over 4500 rpm or over 100lbs of boost. When it comes to valve springs in a high performance diesel engine, choosing the right spring is the life line of a 24v Cummins 5.9l or...

Control the valvetrain in your modified 1998.5-2022 Dodge 5.9L Cummins with the XDP HD High Boost Valve Spring Set XD390. The XD390 Valve Spring Kit is designed to help eliminate valve float due to elevated cylinder pressures and higher boost levels...

If you are running over 4,500 rpm and have a cam with large lobe lift, then these retainers are a must. Over 4,500 can only be run with our #110 springs. The Hamilton Cams 07-s-004 24 valve steel tool retainers fit 1998.5-2024 Cummins 24V 5.9L and 6...

D&J 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,...

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...

24 Valve Competition Springs 110LB seat pressure. Good to 6,500 RPM A must when running your engine over 4500rpm -we suggest steel cam and tappets to combat premature cam wear that is possible with cast cams -we do not suggest these springs for daily...

Change your Cummins 24V Valve Springs with Tork Tools  The only tool on the market that compresses alll four valve springs at the same time. Tapered design guides keepers onto the valve stem. Heavy duty design features a hardened top compressor...

Makes changing out your valve springs while in the engine very easy.  Works with both stock springs and aftermarket valve springs.  ****THIS IS NOT A "PRETTY" TOOL. THIS IS A TOOL DESIGNED FOR INSTALLING YOUR VALVE SPRINGS. THESE ARE CUT USING...

Engine enthusiasts, revamp and reignite the power within your diesel vehicle with our top-grade cpp-103 valvesprings. Engineered particularly for the 98.5-18 Cummins models, these valvesprings promise unparalleled robustness and durability. Beyond their...

Stock springs have 78-82lbs of pressure seat pressure on average at 1.380″. If you are over 35psi(boost or drive pressure) and 3,800 rpm, stock springs do not fully control the valvetrain. This allows a few negative things to happen. First, valve...