ARP Big Block Chevy Head Bolt Kit

ARP Big Block Chevy Head Bolt Kit

Upgrade the cylinder head hardware on your Big Block Chevrolet engine with the ARP Head Bolt Kit. Designed to securely fasten the cylinder heads to the engine block, this high-performance fastener kit provides increased strength and consistent clamping force for performance engine builds, rebuilds, racing and street applications.

ARP part number 135-3601 is specifically identified as the Big Block Chevy Head Bolt Kit. ARP’s installation instructions identify these as High Performance Series 180,000 PSI, 7/16″ diameter head bolts. When installed using ARP Ultra-Torque Fastener Assembly Lubricant, ARP specifies a final torque of 70 ft-lbs, reached in three equal steps.

Product Features:

• ARP High Performance Series Head Bolt Kit
• Designed for Big Block Chevrolet Engines
• 180,000 PSI Fastener Rating
• 7/16″ Diameter Head Bolts
• Designed for Cylinder Head Retention
• High-Strength ARP Fastener Construction
• Provides Consistent Cylinder Head Clamping
• Includes Washers for Proper Installation
• Ideal for Performance Engine Builds and Rebuilds
• Suitable for Street and Racing Applications

Specifications:

ARP Engine Applications:

• Chevrolet – Generic – Big Block
• Chevrolet – Big Block – 396
• Chevrolet – Big Block – 402
• Chevrolet – Big Block – 409
• Chevrolet – Big Block – 427
• Chevrolet – Big Block – 454
• Chevrolet – Big Block – 496
• Chevrolet – Big Block – 502
• Chevrolet – Big Block – 572
• Chevrolet – Big Block – Generic

Fitment Notes:

• Designed for Big Block Chevrolet cylinder head applications.
• ARP specifically lists 396, 402, 409, 427, 454, 496, 502 and 572 Big Block Chevrolet engines.
• ARP also lists generic Big Block Chevrolet applications.
• Designed to secure the cylinder heads to the engine block.
• ARP specifies tightening the bolts in three equal steps to 70 ft-lbs when using ARP Ultra-Torque Fastener Assembly Lubricant.
• ARP Thread Sealer should be used when cylinder head bolt threads enter a water jacket.
• Verify cylinder head and engine block configuration before installation.