{"product_id":"btr-beehive-spring-625-lift-sold-individually-sp018-1","title":"BTR Beehive Spring - .625 Lift - Sold Individually","description":"\u003cp\u003eBTR BEEHIVE SPRING - .625 LIFT - SOLD INDIVIDUALLY - SP018-1\u003cbr\u003e\nBTR knows that sometimes you need higher performance spring package, but due to class restrictions or cylinder head \/ valve seal design, dual springs are not possible. These springs fill the gap between a LS6 spring and a BTR Platinum dual spring. Upgrade to a SR007-16 titanium retainer set for added lightness and strength or use OEM locks and retainers.\u003cbr\u003e\n125 lbs @ 1.800” Installed pressure \/ height\u003cbr\u003e\n350 lbs @ 1.200” Open pressure \/ height\u003cbr\u003e\n365 lbs @ 1.175” Open pressure \/ height\u003cbr\u003e\nCoil bind @ 1.100”\u003cbr\u003e\nI.D. top of spring .645\"\u003cbr\u003e\nO.D. top of spring 1.02\"\u003cbr\u003e\nI.D. bottom of spring .9115\"\u003cbr\u003e\nO.D. bottom of spring 1.285\"\u003cbr\u003e\nNOTE - BTR does not recommend single wire conical or beehive springs with roller rockers due to the extra mass causing loss of valve train stability, or the use of a higher ratio rocker as it could possibly cause a coil bind issue. If you have a specific combination of valvetrain parts you are needing to use a roller rocker on, please call in to our sales team for clarification.\u003c\/p\u003e","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":52041463071014,"sku":"SP018-1","price":13.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/1666\/1542\/files\/sp018-1_1_of_2.jpg?v=1770813080","url":"https:\/\/billysspeedshop.com\/da\/products\/btr-beehive-spring-625-lift-sold-individually-sp018-1","provider":"Billys Speed Shop","version":"1.0","type":"link"}