Suggested Retail: $517. . Lippert High-Speed Power Stabilizer Jack - Black Waterproof Switch Kit - 30" Lift. Power Stabilizer Jacks are an affordable way to upgrade to power stabilizing and easily bolt-on to your existing frame. New motor is 2-times faster than previous versions. Durable steel construction with a powder coat finish to resist corrosion. Overall dimensions: 78" long x 20" wide x 4-3/4" tall. Model 337199 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.