{"product_id":"ls-engine-valve-spring-compressor-tool-for-gm-chevy-built-supply-co","title":"Ls Engine Valve Spring Compressor Tool For Gm Chevy | Built Supply Co","description":"\u003cp\u003eLS Engine Valve Spring Compressor Tool for GM Chevy LSX LS1-LS3 4.8-6.2L Product Description 【Product Highlight】 Precision CNC machined 3\/8\" steel tool kit, works on\/off engine head for LS cathedral port platforms. Matches premium tool performance at a budget price, with extra hardware included. Pneumatic air fitting design holds valves closed via compressed air—avoids engine damage during spring replacement! 【Core Features】 ✅ Dual use (on\/off engine cylinder heads) ✅ 14mm\/18mm air fitting + 1\/4\" female NPT (fits all LS platforms) ✅ 10.9 bolts\/12.9 studs\/nuts + B7 grade hardware (extreme durability) ✅ Compressed air secures valves (cylinder at TDC during use) ✅ Exact fit for LS cathedral port heads (no modification needed) 【Specifications】 Material: Heavy-Duty Metal Color: Silver + Black C\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eAvailable from Built Supply Co — New Zealand.\u003c\/em\u003e\u003c\/p\u003e","brand":"Built Supply Co","offers":[{"title":"Default Title","offer_id":64184864899441,"sku":"195982450091","price":33.18,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/9251\/4417\/files\/s-l1600_06424a48-aa64-4e85-8042-5b15477b1cb6.jpg?v=1783936921","url":"https:\/\/builtsupplyco.com\/products\/ls-engine-valve-spring-compressor-tool-for-gm-chevy-built-supply-co","provider":"Built Supply Co","version":"1.0","type":"link"}