{"product_id":"master-refill-pack-ls-short-block-346-9903","title":"Straub Technologies LS Master Refill Pack Engine Fastener Kit 346-9903","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Straub Technologies\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eStraub Technologies engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Straub Technologies lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eStraub Technologies LS Master Refill Pack Engine Fastener Kit\u003c\/h2\u003e\n\u003cp\u003eThe Straub Technologies Master Refill Pack is the ultimate solution for maintaining a comprehensive inventory of fasteners for your GM LS-Series engine builds and maintenance. This kit is designed to replenish your existing Straub Master Pack, ensuring you always have the right hardware on hand for engine and accessory applications.\u003c\/p\u003e\n\n\u003ch3\u003eKit Contents and Benefits:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Refill:\u003c\/strong\u003e Designed to replenish the Straub Master Pack, providing essential fasteners.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngineered for LS:\u003c\/strong\u003e Specifically curated for GM LS-Series engines, ensuring compatibility with various components.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Quality Fasteners:\u003c\/strong\u003e Includes a wide range of nuts, bolts, and other hardware required for engine assembly and accessories.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConvenience:\u003c\/strong\u003e Keeps your workshop organized and ensures you don't have to search for individual parts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCost-Effective:\u003c\/strong\u003e A smart way to maintain your fastener supply without buying bulk quantities of each item.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis Master Refill Pack is ideal for engine builders, performance shops, and serious DIY enthusiasts who frequently work on GM LS engines. Having a well-stocked fastener kit saves valuable time and prevents project delays. The quality of the included fasteners ensures reliable assembly and long-term durability for your engine components. This kit complements the extensive range of performance parts offered by Straub Technologies.\u003c\/p\u003e\n\n\u003cp\u003eEnsure your LS engine build is complete. Get the Straub Technologies LS Master Refill Pack Engine Fastener Kit at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Straub Technologies products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/valve-locks-10-deg-8mm-machined-steel-16pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eStraub Technologies 100-1315 Valve Locks — 10-Deg 8mm Steel (16pk)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/valve-locks-7-deg-8mm-machined-steel-16pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eStraub Technologies 100-9007 Valve Locks — 7-Deg 8mm Steel (16pk)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/valve-spring-shims-50pk-015-gm-ls-engines\" style=\"color:#0066cc;text-decoration:none;\"\u003eStraub Technologies 346-0015 Valve Spring Shims — .015in GM LS (50pk)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/1-237-beehive-valve-springs-16pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eStraub Technologies Beehive Valve Springs 1.237\" OD - Set of 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/1-290-dual-valve-springs-16pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eStraub Technologies Dual Valve Springs 1.290\" OD - Set of 16\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Straub Technologies LS Master Refill Pack Engine Fastener Kit 346-9903\",\"description\":\"Complete your engine build with the Straub Technologies LS Master Refill Pack Engine Fastener Kit. 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Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Straub Technologies?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Straub Technologies LS Master Refill Pack Engine Fastener Kit 346-9903?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. 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