12-Point Cylinder Head Studs Bolts Kit for 2004-2019 LS1 LS3 5.3L 5.7L 6.0L Engines Compatible with Chevy LS1 LS6 4.8L 5.3L 6.0L Replaces 234-4317 2344317

About this item Include: 20 x M11 head stud(135mm), 10 x M8 studs(64mm), Parallel-ground Washers: 20 x 12-point big Nuts(20mm) 10 x 12-point small Nuts(16mm), Please check all your same length studs before purchase Fits: Engine Cylinder Head Stud Bolt kit for 2004-2019 Chevy LS1 LS6 L98 4.8L 5.3L 6.0L Engines, for 2004-Newer LS1 LS3 5.3L 5.7L 6.0L engines Replace: 234-4317, 2344317, 33449, The Cylinder Gasket Head Studs Bolts Kit is same with OEM standard quality, perfectly matching your original car, and can be installed directly Professional Technique: Centerless ground and heat treatment, tensile strength: 180000 PSI, made of high-quality 35CrMo, high temperature resistance, Black oxide coating finish, wear resistance, corrosion resistance Easy installation: No troublesome tools are needed, just replace the old-rusted or damaged bolts directly. Improve your car performance in minutes easily and quickly Premium Support: We focus on product quality and customer service, our customer service is top-notch. If you have any difficulties or needs, please contact us at any time