Description
Critical fasteners like these 5/16″-18 hex-head bolts are the backbone of reliable engine bay assembly and drivetrain work. When you’re rebuilding or maintaining high-performance systems, OEM-quality replacement bolts ensure proper clamp load, thread integrity, and long-term durability under stress. Stock these in your shop or toolbox—running out mid-project costs time and momentum.
Drag Specialties engineered these bolts to specification, eliminating the frustration of sourcing correct fasteners piecemeal. Whether you’re reassembling a carburetor, securing intake manifolds, or rebuilding fuel system components, having the exact size and grade on hand keeps your work moving forward.
- Size: 5/16″-18
- Length: 2 1/4″
- Head style: Chrome hex
- Material: Steel with chrome finish
- Manufactured in the USA
- Replacement pack configuration
- High-grade fastener quality








