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    • 2001-2016 GM 6.6L Duramax Performance Valve Springs and Retainer Kit XD386

      2001-2016 GM 6.6L Duramax Performance Valve Springs and Retainer Kit XD386

      2001-2016 GM 6.6L Duramax Performance Valve Springs and Retainer Kit XD386

      Regular price $649.95 USD
      Regular price Sale price $649.95 USD
      Unit price /  per 
    • 24V Performance Valve Springs & Retainer Kit 98.5-22 Dodge 5.9L/6.7L Cummins XD313 XDP

      24V Performance Valve Springs & Retainer Kit 98.5-22 Dodge 5.9L/6.7L Cummins XD313 XDP

      24V Performance Valve Springs & Retainer Kit 98.5-22 Dodge 5.9L/6.7L Cummins XD313 XDP

      Regular price $487.95 USD
      Regular price Sale price $487.95 USD
      Unit price /  per 
    • 1998.5-2022 Dodge 5.9L/6.7L Cummins XDP High Boost Valve Spring Set HD

      1998.5-2022 Dodge 5.9L/6.7L Cummins XDP High Boost Valve Spring Set HD

      1998.5-2022 Dodge 5.9L/6.7L Cummins XDP High Boost Valve Spring Set HD

      Regular price $399.95 USD
      Regular price Sale price $399.95 USD
      Unit price /  per 
    • 1989-1998 Dodge 5.9L Cummins Performance Valve Springs and Retainer Kit XDP

      1989-1998 Dodge 5.9L Cummins Performance Valve Springs and Retainer Kit XDP

      1989-1998 Dodge 5.9L Cummins Performance Valve Springs and Retainer Kit XDP

      Regular price $399.95 USD
      Regular price Sale price $399.95 USD
      Unit price /  per 
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