ARP 330-6808 Small/Big Block Chevy 3/8-16 Hex Lower Pulley Bolt Kit

The ARP 330-6808 is a high-performance hex head bolt kit designed specifically for securing lower pulleys on small block and big block Chevrolet engines. These precision-engineered fasteners feature a 3/8-16 thread specification and hex head design for reliable torque application and secure installation.

Key Features:

• Precision-rolled threads for superior strength and fatigue resistance
• Hex head design provides positive engagement and proper torque application
• Manufactured from premium 8740 chrome moly steel with black oxide finish
• 190,000 PSI tensile strength significantly exceeds OEM fastener specifications
• Universal fit for small block and big block Chevy lower pulley applications
• 3/8-16 thread specification ensures proper bolt engagement

ARP fasteners are heat-treated in-house to ensure consistent quality and reliability. Each bolt is designed to provide superior clamping force while resisting loosening under extreme vibration and thermal cycling conditions. This kit provides a direct upgrade over factory hardware for both performance and restoration applications.