Product Description
These Pro series studs from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining and are rated at a whopping 190,000 psi. The Pro series kits are also available with 12-point nuts, and all kits come complete with hardened parallel washers for an even load distribution and accurate torque readings. Fits 1966-1990 Mark IV Big Block Chevy with the following aftermarket heads:
For OEM Wet Deck Engine Blocks
• Edelbrock Victor Jr
• Edelbrock Performer RPM
• Edelbrock Performer
• AFR
• Dart Pro 1
• Merlin
• Late Bowtie aluminum
• Dart 360
• Profiler 24 degree
Fastener Style: Stud
Nut Style: 12-Point
Fastener Material: 8740 Chromoly
Fastener Finish: Black oxide
Washers Included: Yes
