{"product_id":"lunati-beehive-valve-spring-kit-313lbs-in-lt74818k1-retainers-locks-inc","title":"LUNATI BEEHIve VALve SPRING KIT 313LBS\/IN LT74818K1 RETAINERS \u0026 LOCKS INC.","description":"LUNATI BEEHIVE VALVE SPRING KIT 313LBS\/IN LT74818K1 RETAINERS \u0026amp; LOCKS INC. Lunati Signature Series valve spring and retainer kits are stronger so you can push harder longer. Their Signature kits include valve springs made from super-clean chrome silicon alloy materials and then micro-peened for added strength, efficiency, and durability. The valve springs are matched with precision-manufactured and black oxide coated chromoly retainers, as well as valve locks made from fatigue-proof steel. For extreme stress applications, like drag and oval track racing, fit your valvetrain with Lunati Signature Series valve spring and retainer kits. \u003cstrong\u003eSpecs:\u003c\/strong\u003e Number of Springs Per Valve: Single\u003cbr\u003eOutside Diameter of Outer Spring (in): 1.055 in.\/1.290 in.\u003cbr\u003eDamper Spring Included: No\u003cbr\u003eInstalled Height (in): 1.800 in.\u003cbr\u003eSeat Pressure at Installed Height (lbs): 130 lbs.\u003cbr\u003eOpen Height (in): 1.200 in.\u003cbr\u003eOpen Pressure (lbs): 318 lbs.\u003cbr\u003eInside Diameter of Outer Spring (in): 0.650 in.\/0.885 in.\u003cbr\u003eValve Spring Style: Ovate beehive\u003cbr\u003eCoated: No\u003cbr\u003eRetainers Included: Yes\u003cbr\u003eRetainer Material: Chromoly steel\u003cbr\u003eLocks Included: Yes\u003cbr\u003eLock Style: 7 degree\u003cbr\u003eLock Groove Quantity: 1-groove\u003cbr\u003eLock Material: Hardened steel\u003cbr\u003eQuantity: Sold as a kit.\u003cbr\u003eNotes: Fits 8mm valve stems.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e","brand":"Lunati","offers":[{"title":"Default Title","offer_id":44696553324855,"sku":"LT74818K1","price":779.9,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/9364\/1015\/files\/100503.jpg?v=1780726322","url":"https:\/\/enginemaster.com.au\/products\/lunati-beehive-valve-spring-kit-313lbs-in-lt74818k1-retainers-locks-inc","provider":"Engine Master","version":"1.0","type":"link"}