Locks equipped with inner bead locks; 7° interference angle between locks and retainers causes the locks to clamp valve stems more tightly. Valve seals are made from Viton synthetic rubber and are steel jacketed to guarantee seals remain tight around guides and are protected from springs. Viton material is ideal for resisting heat and aggressive racing oil additives that cause swelling and distortion.Outside Diameter (Outer): 1.306. Spring Rate (lbs/inch): 379 lbs/in.
73925K1 (Lunati Gold Dual Valve Spring Kit). 73925-16 Lunati Dual Valve Springs (Specs above). 77123-16 (Lunati 7 Degree Valve Locks).86873-16 (Lunati LS Spring Seats). 78511-16 (Lunati Valve Seals for 8mm Valves). Product Representation: Actual parts may vary based on configuration ordered. The item "Lunati LS1 LS2 LS3 L92 LS6 LS7 GM Dual Valve Spring Kit. 660 Max Lift #73925K1" is in sale since Friday, March 29, 2019. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Camshafts, Lifters & Parts". The seller is "speedliquidators" and is located in Memphis, Tennessee. This item can be shipped worldwide.