ARP Big Block Chevy Cast Iron OEM Head Bolt Kit

ARP Big Block Chevy Cast Iron OEM Head Bolt Kit

Upgrade the cylinder head hardware on your Big Block Chevrolet engine with OEM-style cast iron cylinder heads with the ARP Pro Series Head Bolt Kit. Designed for traditional Big Block Chevy applications, this kit provides high-strength ARP fasteners for secure and consistent cylinder head clamping in performance engine builds, rebuilds, restorations and racing applications.

ARP part number 235-3701 is specifically identified as the Big Block Chevy Cast Iron OEM Head Bolt Kit. ARP specifies 200,000 PSI, 7/16″ diameter head bolts for this Pro Series kit. When installed using ARP Ultra-Torque Fastener Assembly Lubricant, ARP specifies tightening the bolts in three equal steps to a final torque of 80 ft-lbs.

Product Features:

• ARP Pro Series Cylinder Head Bolt Kit
• Designed for Big Block Chevrolet Engines
• Designed for OEM-Style Cast Iron Cylinder Head Applications
• 200,000 PSI Fastener Rating
• 7/16″ Diameter Head Bolts
• High-Strength ARP Fastener Construction
• Includes Washers for Proper Installation
• Designed for Secure and Consistent Cylinder Head Clamping
• Ideal for Performance Engine Builds, Rebuilds and Restorations
• Suitable for Street, High-Performance and Racing Applications

Specifications:

ARP Engine Applications:

• Chevrolet – Generic – Big Block
• Chevrolet – Big Block – Generic

Fitment Notes:

• Designed for Big Block Chevrolet applications using OEM-style cast iron cylinder heads.
• ARP officially lists this kit for generic Chevrolet Big Block applications rather than specific engine displacements.
• Uses 7/16″ diameter Pro Series cylinder head bolts rated at 200,000 PSI.
• ARP specifies using thread sealer when the cylinder head bolt threads enter a water jacket.
• For blind bolt holes, ARP specifies lubricating the threads with ARP Ultra-Torque Fastener Assembly Lubricant.
• ARP specifies lubricating the underside of the bolt heads and washers with ARP Ultra-Torque.
• Tighten the bolts following the manufacturer’s recommended sequence in three equal steps to a final torque of 80 ft-lbs.
• Verify the cylinder head and engine block configuration before installation.