{"product_id":"isky-isk9385-plus-endurance-plus-valve-springs-1-560od-245lb-seat-600lb-open","title":"Isky ISK9385-PLUS Endurance Plus Valve Springs 1.560\"OD 245LB Seat 600LB Open","description":"ISKY ENDURANCE PLUS VALVE SPRINGS 1.560\"OD 245LB SEAT 600LB OPEN ISK9385-PLUSThe Endurance Plus series of valve springs utilises a specially processed Tool Room Material for increased endurance and reliability beyond the \"SP\" series plus special processing for increased durability. Endurance Plus springs are designed for late models, modifieds, etc and are Spintron Test-Proven up to 8400 rpm for 850 racing miles.Specs:Number of Springs Per Valve:DualOutside Diameter of Outer Spring (in):1.560 in.Coil Bind Height (in):1.180 in.Damper Spring Included:YesSpring Rate (lbs\/in):500 lbs.\/in.Inside Diameter of Outer Spring (in):1.145 in.Inside Diameter of Inner Spring (in):0.740 in.Valve Spring Style:StandardCoated:NoQuantity:Sold as a set of 16.Installed Height (in):2.000 in.Seat Pressure at Installed Height (lbs):245 lbs.Open Height (in):1.280 in.Open Pressure (lbs):600 lbs.Items are shipped within one to two business days after full payment has been recieved. \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e","brand":"Isky Racing Cams","offers":[{"title":"Default Title","offer_id":44555052024119,"sku":"ISK9385-PLUS","price":803.85,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/9364\/1015\/files\/91844.jpg?v=1780498278","url":"https:\/\/enginemaster.com.au\/products\/isky-isk9385-plus-endurance-plus-valve-springs-1-560od-245lb-seat-600lb-open","provider":"Engine Master","version":"1.0","type":"link"}