{"product_id":"four-piece-cylinder-head-dowel-alignment-pin-set-i","title":"Four Piece Cylinder Head Dowel Alignment Pin Set in Steel 0.625 Inch OD and 0.500 Inch Height Ready To Install Direct Replacement for Gen 3 4 5 GM LS LT Engines LS1 LS3 LS2 LT1 LT4 and LS Swap Engine Rebuild","description":"\u003cdiv\u003eFour-Piece Cylinder Head Dowel Pin Set for GM LS\/LT Engines\u003cbr\u003e\n✔️ 0.625 in OD (15.9 mm) x 0.500 in height, 4-pack for LS\/LT engines \u003cp\u003eThis precision steel dowel pin set is designed to align the cylinder head to the engine block on Gen 3-5 GM LS\/LT V8 engines. It’s ideal for LS swap projects, engine rebuilds, cylinder head replacements, and head gasket work to ensure accurate alignment and sealing.\u003c\/p\u003e ✅ 4-piece steel dowel pin set with rust-resistant finish for direct GM replacement\u003cbr\u003e\n✅ 0.625 in OD (15.9 mm) and 0.500 in height (12.7 mm), fits Gen 3-5 blocks\u003cbr\u003e\n✅ Replaces GM pin numbers 551275, 12570326, 12558081; covers two cylinder heads\u003cbr\u003e\n✅ Compatible with LS\/LT engines (LS1, LS2, LS3, LT1, LT4, etc.) and LSx variants\u003cbr\u003e\n✅ Requires clean holes and light lubrication before install to avoid damage\u003cbr\u003e \u003cp\u003e💡 What is a cylinder head dowel alignment pin set used for in engine builds?\u003c\/p\u003e\nA handy part that ensures precise alignment of the cylinder head to the engine block, which helps seal the head gasket and prevent leaks.\n- Handy for LS swap projects and engine rebuilds to keep alignment tight\n- Keeps combustion chamber positioning correct to improve efficiency\n- Durable steel with rust-resistant finish for long life; direct GM replacement \u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":47887789261035,"sku":"VXB0F9YFYSCP","price":49.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/71A7bMbRymL.jpg?v=1772584576","url":"https:\/\/vxb.com\/products\/four-piece-cylinder-head-dowel-alignment-pin-set-i","provider":"VXB Bearings","version":"1.0","type":"link"}