{"product_id":"btr-4-to-6-bolt-head-conversion-for-dart-ls-next-blocks-btr426d","title":"BTR 4 to 6 Bolt Head Conversion for Dart LS Next Blocks","description":"\u003cp\u003eBTR 4 TO 6 BOLT HEAD CONVERSION FOR DART LS NEXT BLOCKS - BTR426D\u003cbr\u003e\nBTR'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!\u003cbr\u003e\n8mm torque: 28ft\/lbs\u003cbr\u003e\n3\/8\" torque: 55ft\/lbs\u003c\/p\u003e","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":52041446785318,"sku":"BTR426D","price":280.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/1666\/1542\/files\/btr426d.jpg?v=1770811430","url":"https:\/\/billysspeedshop.com\/fr\/products\/btr-4-to-6-bolt-head-conversion-for-dart-ls-next-blocks-btr426d","provider":"Billys Speed Shop","version":"1.0","type":"link"}