AIR FLOW RESEARCH AFR6215-8 Adjusting Nut Set for Big Block Chevy, 7/16-20 Thread, 2.6 Inch Length, Steel, Black Oxide Finish

The AIR FLOW RESEARCH AFR6215-8 Adjusting Nut Set is designed specifically for Big Block Chevy engines, providing reliable and durable fastening for rocker arms. Each nut features a 7/16-20 inch thread size, ensuring a secure fit on standard rocker arm studs. Made from high-quality steel with a black oxide finish, these nuts offer corrosion resistance and enhanced durability in demanding engine environments. The set includes eight nuts, making it ideal for complete rocker arm assemblies or multiple engine rebuilds. The 2.6-inch length ensures proper engagement and fastening strength, contributing to optimal valve train performance. These nuts are precision-machined to meet manufacturer specifications, ensuring compatibility and consistent performance across compatible Big Block Chevy engines. Easy to install and remove, they are suitable for both professional mechanics and DIY enthusiasts working on performance or restoration projects. The set's stud girdle compatibility helps maintain stability under high valve spring pressures, enhancing engine reliability and longevity. Whether upgrading or rebuilding, these adjusting nuts are a dependable choice for maintaining proper valve train geometry and operation in high-performance applications.

Features:

• Thread Size: 7/16-20 inch for standard rocker arm studs

• Length: 2.6 inches to ensure proper engagement

• Material: Steel for strength and durability

• Finish: Black oxide coating for corrosion resistance

• Compatibility: Designed for Big Block Chevy engines

• Set Quantity: Includes eight adjusting nuts for complete assemblies

• Stud Girdle Compatibility: Provides added stability under high spring pressures

• Precision Machined: Meets manufacturer specifications for reliable fit