ARP Pro Series Cylinder Head Stud Kit - Honda D16A / D16Z (208-4301)

The ARP 208-4301 Pro Series Cylinder Head Stud Kit provides superior cylinder head-to-block sealing and clamping force for high-performance Honda D-Series (D16A and D16Z) SOHC engines.

Manufactured from premium 8740 chromoly alloy heat-treated to 200,000 PSI, these studs are precision centerless-ground and thread-rolled to Mil-S-8879 specifications to withstand high boost and extreme compression.

Key Features & Benefits:

• Maximized Clamping Load: Delivers uniform clamping pressure across the deck surface to eliminate head gasket failure and cylinder head lift.
• 8740 Chromoly Construction: Heat-treated to 200,000 PSI tensile strength for exceptional fatigue and stretch resistance.
• Thread-Rolled Post Heat-Treat: Rolled threads provide up to 10 times higher fatigue life compared to cut fasteners.
• Complete Installation Kit: Includes 12-point nuts, hardened parallel washers, and ARP Ultra-Torque assembly lubricant.

Technical Specifications:

• Engine Application: Honda D-Series 1.6L SOHC (D16A, D16Z, D16Z6 M10)
• Material: 8740 Chromoly Steel
• Fastener Style: Studs with 12-Point Nuts
• Finish: Black Oxide
• Thread Diameter: M10
• Brand: ARP
• Warranty: ARP Manufacturer Limited Warranty