12-Point Cylinder Gasket Head Stud Bolts Kit Compatible with Chevy Big Block BBC 396 402 427 454 V8 Engines

Specification:Part Type: Cylinder Head FastenersFastener Style: StudHead Style: 12-pointMaterial: 35CrMoQuenching: Grade 12.9Tensile strength: 1200Mpa about 174000PSIFinish: BlackeningWashers Included: YesQuantity: Sold as a kit.

• [Vehicle Compatibility] The head studs with bolts kit is compatible with 1966-2000 Big Block Chevy 396 402 427 454 V8 Motor BBC Mark IV, Generation VI 4 5 6 Engine 6.5L 6.6L 7.0L 7.4L
• [Durable Material and Finish] Cylinder Head Stud Kit is made of high tensile strength chromoly steel. The surface is treated with black oxide finish and the old or damaged cylinder head bolt kits can be directly replaced
• [Better Replacement] Replace your stock head bolts with heavy duty head studs. The stud design helps the head and the block equalize the pressure better thereby creating a much more even and consistent seal
• [Product Performance]The Cylinder Head Stud Kit are rated at 220,000 psi tensile strength, and provide the clamping force required to keep cylinder heads from lifting due to higher combustion pressures
• [Comprehensive Kit] 8 × Extended Studs;12 × Long Studs;4 × Medium Studs;8 × Short Studs;32 × Washers;32 × 12-Point Hex Nuts.If you find any head stud or bolt or washer is missing, please contact us for help