Specification:
Part Type:Cylinder Head Fasteners
Fastener Style:Stud
Head Style:12-point
Material: 35CrMo
Quenching: Grade 12.9
Tensile strength: 1200Mpa about 174000PSI
Finish: Blackening
Washers Included:Yes
Quantity:Sold as a kit.
Package list: As picture shown
Feature
Head Stud Kit For Chevy BBC-454 For USE with aluminum heads PCE279.1005
Made from high quality high tensile strength chromoly steel and cold-forged to ensure molecular integrity.
All kits come complete with 12 point nuts and hardened parallel washers for an even load distribution and accurate torque readings.