Home / Honda / TRX250R / Engine / Stud kit for E2B, Puma and Sphinx cylinders Stud kit for E2B, Puma and Sphinx cylinders$25.95 Stud kit for E2B, Puma and Sphinx cylinders quantity Add to cart Categories: Honda, TRX250R, Engine Description Description Stud kit for E2B, Puma and Sphinx cylinders You may also like… ATC250REngine TRX/ATC250R Billet Case Kit Related products HondaTransmission & Clutch Hinson CR125 Fiber Clutch Plates Individual Plates sold individually. EngineHonda TRX250R Seal Kit Seal kit ATC250REngine TRX250R Bottom End Kit TRX250R Bottom End Kit EngineHonda TRX250R Water Pump Mechanical Seal Water pump mechanical seal.