ARP Small Block Chevy SS hex Header Bolt Kit

ARP Small Block Chevy Stainless Steel Hex Header Bolt Kit

Upgrade the exhaust header hardware on your Small Block Chevrolet engine with the ARP Stainless Steel Hex Header Bolt Kit. Designed for traditional Small Block Chevy header applications, this kit provides high-quality ARP stainless steel fasteners for securely attaching the exhaust headers to the cylinder heads. The stainless construction provides excellent strength and corrosion resistance for street, performance and racing applications.

ARP part number 400-1111 is officially identified as the Small Block Chevy Stainless Steel Hex Header Bolt Kit. The kit contains 12 header bolts with a 3/8″ thread size and 1.000″ under-head length. The fasteners are manufactured from ARP Stainless with a rated tensile strength of 180,000 PSI.

Product Features:

• ARP Exhaust Header Bolt Kit
• Designed for Small Block Chevrolet Engines
• Stainless Steel Construction
• Hex Head Fastener Design
• 3/8″ Thread Size
• 1.000″ Under-Head Length
• 180,000 PSI Tensile Strength
• Includes 12 Header Bolts
• Designed to Secure Exhaust Headers to the Cylinder Heads
• Suitable for Street, Performance and Racing Applications

Specifications:

ARP Engine Applications:

• Chevrolet – Generic – Small Block
• Chevrolet – Small Block – Generic

Fitment Notes:

• Designed for traditional Small Block Chevrolet exhaust header applications.
• ARP officially lists this kit for generic Chevrolet Small Block applications.
• ARP does not list individual 283, 302, 305, 307, 327, 350 or 400 engine applications for this specific part number.
• Contains 12 header bolts measuring 1.000″ under the head.
• Uses 3/8″ thread-size fasteners.
• Manufactured from ARP Stainless with a tensile strength of 180,000 PSI.
• Designed to fasten the exhaust headers to the cylinder heads.
• ARP does not provide part-specific installation instructions for this kit; refer to ARP’s general torque recommendations where applicable.
• Verify cylinder head and header flange requirements before installation.