Melling Dual Valve Springs Set, 1.305" OD with Dampner - ME46697-16DUAL VALVE SPRINGS, 1. 305" OD 151 lbs @ 1. 800" Seat Pressure, 417 lbs @ 1. 150" Open Pressure, 1. 070" Coil Bind Part Number: ME46697 16 Street to circle track, OEM to drag race performance, Melling valve springs cover the market and your requirements. Standard, mid range, heavy duty and race ready applications are available from Melling in a variety of wire sizes, materials and spring pressures. Melling spring designs include standard and dual