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Details: You are bidding on a 4000 RPM governor spring modification kit for the 1994-1998.5 Dodge pickup applications. The Governor Spring Kit or GSK is a combination of custom designed springs and unique seats. The 4k GSK is designed to allow your truck to enjoy the benefits of full fueling through 3000 or 4000 rpms. The result is a truck that is much more responsive and fun to drive. Dramatically changes the driving experience by making your truck much more responsive at the upper end of the rpm band. Highly recommended for anyone with the short rear-end gears... especially if you tow heavy. This kit comes with the 60lb springs these are recommended for this kit to be considered safe. You can also install the 3000 RPM kit and just retain the two smaller springs for after you install the 60lb valve springs.
Package Dimensions: 6.4 x 5.1 x 4.0 inches
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