{"product_id":"pqy-12-point-cylinder-head-stud-kit-for-gm-ls-engines-fits-97-03-chevy-ls1-lq9-ls6-4-8l-6-0l","title":"PQY 12-Point Cylinder Head Stud Kit for GM LS Engines | Fits 97-03 Chevy LS1\/LQ9\/LS6 4.8L-6.0L","description":"\u003ch2\u003ePQY 12-Point Cylinder Head Stud Kit for GM LS Engines\u003c\/h2\u003e\n\u003cp\u003eDesigned for the LS family, this head stud kit provides a practical upgrade path for popular GM configurations. It supports 4.8L, 5.3L, 5.7L, and 6.0L engines and is compatible with 97-03 Chevy LS1\/LS6 variants, as well as 98-02 Camaro\/Firebird F-Body and 99-03 Silverado\/Sierra GM trucks. Whether you are rebuilding, upgrading, or performing routine maintenance, this kit offers a cohesive hardware set built to complement your engine work.\u003c\/p\u003e\n\n\u003ch3\u003eWhy this kit stands out\u003c\/h3\u003e\n\u003cp\u003eDurability and reliable clamping are built into the design. The 12-point head studs are centerless ground and heat treated before thread rolling, delivering a solid, uniform clamp across the cylinder head. The specification notes a nominal tensile strength in the vicinity of 220K psi, and practical torque references help guide proper installation for M11 and M8 studs (approximately 80 ft-lbs for M11 and 28 ft-lbs for M8).\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMaterial and finish: Iron-based studs with good ductility and a black oxide finish for high-temperature resilience.\u003c\/li\u003e\n  \u003cli\u003eStrength and reliability: Careful processing aims to resist typical engine stresses and maintain a consistent clamping force.\u003c\/li\u003e\n  \u003cli\u003eInstallation: Designed as a direct replacement for aging or rusted bolts, offering a clean upgrade path.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included\u003c\/h3\u003e\n\u003cp\u003eThe kit comes ready to install with a balanced assortment of fasteners and hardware:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e20 × M11 head studs\u003c\/li\u003e\n  \u003cli\u003e10 × M8 head studs\u003c\/li\u003e\n  \u003cli\u003e30 × parallel-ground washers\u003c\/li\u003e\n  \u003cli\u003e30 × 12-point nuts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReal-world use and considerations\u003c\/h3\u003e\n\u003cp\u003eWith a straightforward installation, this kit is well suited for LS builds, head gasket service, or engine maintenance where new studs can help ensure a solid seal. While benefits can vary by application, the combination of centerless grinding, heat treatment, and a robust finish contributes to a dependable hardware set for many LS-based installations.\u003c\/p\u003e\n\n\u003cp\u003eNote: If any item is missing, PQY offers support to help complete your order and ensure you have what you need to finish the job.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What vehicles is this PQY head stud kit compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits 97-03 Chevy LS1\/LS6 engines and 98-02 Camaro\/Firebird F-Body, 99-03 Silverado\/Sierra GM trucks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the main benefits of this kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Centerless ground, heat-treated studs for enhanced strength; complete kit with washers and nuts; easy direct replacement of rusted bolts for better reliability.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"PQY","offers":[{"title":"Default Title","offer_id":42471059750997,"sku":"B0824Q1GM6","price":93.33,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/pqy-12-point-cylinder-head-stud-kit-box.jpg?v=1778163716","url":"https:\/\/plentytorque.co.uk\/products\/pqy-12-point-cylinder-head-stud-kit-for-gm-ls-engines-fits-97-03-chevy-ls1-lq9-ls6-4-8l-6-0l","provider":"PlentyTorque","version":"1.0","type":"link"}