{"product_id":"btr-4-to-6-bolt-conversion-for-dart-blocks","title":"BTR 4 TO 6 BOLT CONVERSION FOR DART BLOCKS","description":"BTR 4 TO 6 BOLT HEAD CONVERSION FOR DART LS NEXT BLOCKS - BTR426D BTR's 4 to 6 bolt kit for Dart LS blocks is perfect for complimenting a 20-stud K003-H18H or K003-H17H head stud kit on your Dart LS Next aluminum or iron block, making it ready for common \"6-bolt\" 23 stud cylinder head options. Includes 190,000 PSI strength USA-made ARP \u0026amp; P1 Studs! 8mm torque: 28ft\/lbs 3\/8\" torque: 55ft\/lbs","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":61757070901618,"sku":"BTR426D","price":280.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0960\/6643\/7490\/files\/hyper-motive-image-coming-soon_fa65af4f-d643-498f-b1bc-0832cb8e95ad.png?v=1775963230","url":"https:\/\/hypermotive.com\/products\/btr-4-to-6-bolt-conversion-for-dart-blocks","provider":"Hypermotive Performance","version":"1.0","type":"link"}