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Empire Performance Engineering Duramax Stage 1 Valve Springs EPE-VS6601


Availability: In stock

2001 - 2010 GM Duramax

Regular Price: $474.99

Special Price: $449.90

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Empire Performance Engineering is proud to announce the release of the Duramax Stage 1 Beehive Valve Spring Kit 110-130 Psi seat. These valve springs out preform all the competition for Stage 1 Drop in replacement Valve Spring Kit. There is no extra cylinder head machining required to run these springs. Great for Stock to Mild Boost up to 70Psi.



  • 110 - 130 PSI Seat
  • No Extra Cylinder Head Machining Required
  • Up To 70 PSI Boost


***Uses Stock Retainers, Locks, Keepers***

Note: These valve springs are made for mild lift cam profiles which is similar to the EPE Stage 1 Alternate Firing Order Camshaft. The use of these springs can be used on a higher/aggressive lift camshaft but it is highly recommended to have a professional machine shop properly adjust installed height to accommodate upgraded camshaft.

Important: There are some stock LB7 retainers that are not compatible with our valve springs. Please inspect and call before ordering.

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