Engine Rebuild Kits. Engine Parts. Cummins 6.7L ISB Diesel Master Engine Rebuild Kit – 24 Valve Common Rail by Cleggs (CR409MK). Felpro upper gasket Set with Valve seals. Felpro Lower gasket Set. Mahle Piston / Ring Set with pins. Need a Custom Kit? Please note that we can configure an engine kit with exactly what you need. If you want to omit or substitute parts, we are happy to do that for you and adjust the price accordingly. We can get you just about any engine part you need at a cost to fit your budget. Follow these steps at checkout. The add message link shows just before placing your order. ADD BORE & BEARING SIZES. Provide us with bore and bearing sizes in the message box. Rod Bearing sizes available. Main Bearing sizes available. ADD YEAR, MAKE, & MODEL. Provide us with the Year, Make, & Model of your vehicle in the message box. This ensures proper kit fitment to your application. 3 Days to Canada. Clegg Engine has been in the engine machining and engine part sales business for over 45 years. We are happy to answer any engine kit or part questions you may have.