Chevy BBC 454 4 Bolt 12 Point Main Stud Kit
|Part Type:||Main Cap Fasteners|
|Main Bolt Style:||4-bolt|
|Fastener Nut Style:||Standard 12-point|
|Works with Windage Tray:||No|
|Fastener Yield Strength (psi):||190,000 psi|
|Quantity:||Sold as a kit.|
Speedmaster engine studs are premium-grade, race-quality studs that are created from aircraft quality 8740 high tensile strength chromoly steel, withstanding up to 190,000 PSI .They are ground and thread-rolled after heat treatment to ensure the exacting tolerances that Speedmaster requires for all of their fasteners. This ensures strength and consistent torque readings. All kits come complete with 4130 heat-treated, parallel-ground washers and high-strength 12-point nuts.