ARP Head Stud Kits | Multiple Oldsmobile Fitments (185-4201) ARP

Head Stud Kit by ARP

ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They’re heat-treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12-point nuts, and all studs come complete with hardened parallel washers for an even load distribution and accurate torque readings. With hundreds of models ready to ship, these cylinder head fasteners can be ordered for virtually any style engine.

Features

• Fastener Style: Stud
• Thread Size: 7/16 in.-20
• Undercut Stud: No
• Head Style: 12-point
• Fastener Material: 8740 chromoly
• Fastener Finish: Black oxide
• Washers Included: Yes

Benefits

• Heat-treated prior to thread rolling and machining
• Cold-forged to ensure molecular integrity

Applications

• Oldsmobile Cutlass
• Oldsmobile Vista Cruiser (1970–76)
• Oldsmobile Custom Cruiser
• Oldsmobile 4-4-2
• Oldsmobile Hurst/Olds, 390 hp (291 kW)
• Oldsmobile Delta 88
• Oldsmobile 98
• 1968 – 1970 Oldsmobile Toronado, 375 hp (280 kW)
• 1968 – 1970 Oldsmobile Toronado GT (W34), 400 hp (300 kW)
• 1973 – 1976 GMC Motorhome

What’s In The Box?

• 20 – Studs

Warranty

• Manufacturers Standard Warranty