APR Big Block Chevy 3/8 x 1.670″ 12pt Header Stud Kit

BB Chevy 3/8 x 1.670″ 12pt Header Stud Kit

The BB Chevy 3/8 x 1.670″ 12pt Header Stud Kit provides high-strength, premium fastening required to securely seal your headers to the cylinder heads. Engineered by ARP for high-performance applications, this kit eliminates the risk of leaks and thread damage, making header installation or removal much easier.

Key Features

• High-strength chromoly steel construction
• Compact 12-point shoulder nuts allow for extra clearance near header tubes
• 1.670″ overall length with 3/8″ diameter studs
• Includes studs and matching 12-point nuts for secure placement

Fitment

• Big Block Chevrolet (BBC) V8 engines

Note: Please verify your specific cylinder head and header flange measurements to ensure proper thread engagement and length compatibility before ordering.