APR Big Block Chevy SS 12pt Header Bolt Kit
ARP
BB Chevy SS 12pt Header Bolt Kit
The BB Chevy SS 12pt Header Bolt Kit delivers the high-strength fastening power needed to keep your exhaust headers securely sealed to the cylinder heads. Manufactured by ARP from premium stainless steel, these fasteners offer exceptional corrosion resistance and a compact 12-point head design for easy wrenching in tight spaces.
Key Features
- High-tensile strength rated up to 170,000 psi
- Premium ARP stainless steel construction for ultimate durability
- Compact 12-point head style maximizes tool clearance
- Excellent corrosion and heat resistance for demanding exhaust environments
Fitment
- Big Block Chevrolet V8 engines (396, 427, 454, 502, etc.)
- Compatible with standard aftermarket headers and cylinder heads requiring 3/8-inch fasteners
Note: Please verify your specific cylinder head flange thickness and thread requirements before purchasing to ensure proper thread engagement.