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Ships within 48 hours · Estimated delivery Oct 18 - Oct 23
2013 GMC Sierra 3500 6
We’re proud of the new Ultra 2
due to the fragility during shipping
high-pressure fuel injectors in Power Stroke Diesel engines precisely control the delivery of the fuel into the combustion chamber
PPE Upgraded Valve & Conical Spring Kit For 2001-2016 GMC/Chevrolet 6.6L Duramax competition clutch 2013 GMC Sierra 3500 6Upgraded conical spring and valve kit for the 2001 2016 GM 6. 6L Duramax. The conical valve springs with higher spring rate and the lighter weight of valve train components result in sharper response and eliminate valve float under high engine RPMs. These stiffer springs have an installed pressure of 125 pounds and handle 60+ psi of boost. All valves are fully nitridated and Stellite Alloy reinforced for superior durability and reliability The spring
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