{"product_id":"aeroflow-af59-4273-aeroflow-bbc-heads-1-x-valve-dual-spring-1","title":"Aeroflow AF59-4273 Aeroflow BBC Heads 1 x Valve Dual Spring","description":"Replacement Valve Spring.\nDual Valve Spring with damper to suit Aeroflow Performance 320cc Chevy Big Block cylinderheads.\nWill handle up to0.850\" maximum lift. To suit aggresive hyd roller and solid roller camshafts.\nOutside Diameter of Outer Spring - 1.625\".\nInside Diameter of Outer Spring - 0.880\".\nInstalled Height - 2.08\".\nSeat Pressure at Installed Height -275 lbs.\nMaximum Lift - 0.850\".","brand":"Deleted Items","offers":[{"title":"Default Title","offer_id":53016920621367,"sku":"Replacement Aeroflow Dual Valve Spring With Damper Suit BB Chev, 1.625\" O.D (Each)","price":17.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/9364\/1015\/files\/11803_65b553aa-665d-4672-b2e1-4427717e885a.jpg?v=1789968254","url":"https:\/\/enginemaster.com.au\/products\/aeroflow-af59-4273-aeroflow-bbc-heads-1-x-valve-dual-spring-1","provider":"Engine Master","version":"1.0","type":"link"}