With over 35 years of experience, DNJ® is a full-line provider of high-quality engine components for all makes and models. Renowned for being first to market in the industry and for its comprehensive coverage and reliability, DNJ® is a trusted brand for engine rebuilders worldwide.
Camshafts, Lifters, and Kits
Precision-engineered to control valve timing and duration with superior wear resistance and performance.
Learn MoreExhaust Valves, Intake Valves, and Kits
Built from heat-resistant materials for optimal airflow, durability, and sealing under extreme temperatures.
Learn MoreRocker Arms and Rocker Arm Shafts
Delivers precise motion transfer from camshaft to valves. Manufactured for strength and reduced friction.
Learn MoreTiming Belt Idlers and Tensioners
Ensures proper tension and alignment of the timing belt for smooth and accurate valve timing.
Learn MoreTiming Belt Kits
Includes belts and matched components for exact OEM fit and synchronized valve movement.
Learn MoreTiming Chain Kits
Long-lasting metal chain kits designed to maintain precise timing between crankshaft and camshaft.
Learn MoreVVT Sprockets and VVT Solenoids
Optimizes valve timing dynamically for fuel efficiency, power, and reduced emissions across RPMs.
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