Made In USA. 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 springs with and without dampers as well as new beehive applications. Whatever your valve/rocker spring needs may be Melling has a variety of quality valve springs to fit your requirements. Brand:Melling Engine Make:Melling Engine Parts pdm:Coil Bind Height:33.0 MM pdm:Grade Type:Regular pdm:Open Pressure:246.0 PS pdm:Coil Bind Height:1.294 IN pdm:Material:Corrosion Resistant Steel pdm:Inside Diameter:1.07 IN pdm:Inside Diameter:27.0 MM pdm:Outside Diameter:1.484 IN pdm:Spring Open Height:35.0 MM pdm:Spring Open Height:1.359 IN pdm:internal_sku:MELVS-430 pdm:Spring Type:Dual Spring pdm:Outside Diameter:38.0 MM pdm:line_code:MEL pdm:Title:Engine Valve Spring