Engine Rebuild Kit

DNJ® Engine Rebuild Kits offer a comprehensive solution for restoring engine performance, compression, and reliability. Each kit includes application-specific components such as a piston set, piston ring set, crankshaft main bearing set, connecting rod bearing set, full gasket set, and, in some applications, a freeze plug set, cam bearing set, thrust washer set, and piston pin bushing set everything required to perform a complete engine overhaul. All components are manufactured to meet or exceed OEM quality standards, ensuring dependable operation and precise fitment for long-term engine life.

DNJ® Engine Rebuild Kit are made from premium materials tailored to its specific function. Pistons are made from high-quality cast aluminum. Piston rings are crafted from high strength cast iron or steel and feature moly or chrome facing for superior wear resistance and sealing. Engine bearings are manufactured using tri-metal or bi-metal alloys to ensure optimal load distribution, oil retention, and durability under high-stress conditions. Gaskets are composed of multi-layer steel (MLS), graphite, or composite materials depending on the application and are engineered to withstand extreme heat, pressure, and fluid exposure. Freeze plugs are made from steel, brass, and stainless steel. These material choices ensure long-lasting performance and reliable engine sealing throughout the life of the rebuild.

DNJ® also offers a full line of related internal engine components, including camshafts, timing kits, valve kits, engine re-ring kits, and more. With precision engineering and top-tier materials, DNJ® Engine Rebuild Kits provide exceptional performance and long-lasting durability.