Shop CP3 pumps, DIY upgrades, cooling parts, specialty tools, and fuel-system testing services.
A fully tested LBZ/LMM-based Duramax stroker CP3 available in multiple strokes from 10.6 mm through 12.6 mm. Each pump includes its own comprehensive flow-data sheet and can be used on any Duramax application with the correct MPROP.
A 10.6 mm Cummins stroker CP3 flowing more than 290 liters per hour at 3,500 pump RPM and supporting 800-plus rear-wheel-horsepower applications. Every pump is tested before shipment and can be configured for 5.9 or 6.7 Cummins installations.
An economical 5.9 Cummins stroker CP3 upgrade flowing more than 270 liters per hour at 3,500 pump RPM and supporting applications up to approximately 750 rear-wheel horsepower. Every pump is flow tested before shipment.
More Flow. Less Cost. Real Performance Gains.
Unlock hidden power from your truck with the Motorsport Diesel DIY Stroker CP3 Kit. This precision-machined upgrade boosts fuel output without the price tag of a high-dollar stroker. Built by the original stroker CP3 pioneers, it delivers real flow gains with proven reliability. With an easy-to-follow installation process, this kit puts performance back in your hands. Whether you’re towing, racing, or daily driving, this is the fueling upgrade your truck’s been waiting for. Build it yourself. Feel the difference.
Maximize Performance. Minimize Heat. Protect Your Engine.
Overheating rear cylinders are robbing your 1998.5-2018 Dodge Cummins 5.9L & 6.7L of power and longevity-fix it in under 30 minutes with the Motorsport Diesel Coolant Bypass Kit. Engineered for superior cooling efficiency, this billet aluminum kit relieves excess pressure, reduces water pump strain, and prevents costly engine wear. Featuring a precision pressure relief valve, it dynamically regulates flow-something a thermostat simply can’t do. Whether you’re towing, daily driving, or chasing horsepower, this is the upgrade your Cummins can’t afford to go without. Get yours now and keep your engine running stronger, longer.
High-pressure CP3/CP4 pump testing and flow optimization. Diagnose pump issues, improve performance, and support larger injectors.
Replace the eleven factory press-in cylinder-head freeze plugs beneath the valve cover with thick steel threaded plugs. Designed for 1998.5-2018 24-valve 5.9 and 6.7 Cummins engines.
A heat-treated chromoly press tool designed for precise removal and installation of CP3 pump shafts without damaging pump components. Fits 2007.5-2025 6.7 Cummins and 2001-2010 Duramax LB7, LLY, LBZ, and LMM pumps.
This 3-piece toolset is built for all CP3 pumps, giving you precision control and one-handed operation. Durable, compact, and includes replacement gripper pads and a storage case.
Precision-machined replacement tappets for CP3 clearance issues. Each three-piece set is reduced approximately 0.5 mm to eliminate shaft interference and fits 2007.5-2025 6.7 Cummins and 2006-2010 Duramax LBZ/LMM pumps.
Complete diesel injector testing using OEM specs. Get accurate flow data, diagnose issues, and avoid unnecessary replacements.
