Stage 8 Locking Header Bolt Kit for Mopar Small Block

The Stage 8 Locking Header Bolt Kit is designed specifically for Mopar small block engines, accommodating models from 273 to 360 cu/inches and 5.2/5.9 liters. This comprehensive kit includes 12 high-quality 5/16-18 x 7/8 inch bolts featuring a double hex head with a 3/16 inch recessed allen head for easy installation. Additionally, it comes with 12 locking retainers and clips, ensuring a secure fit. The bolts are made from Grade 8 material, which prevents stretching under high temperatures, and feature a duplex nickel finish for enhanced corrosion resistance and aesthetic appeal. • Grade 8 bolts will not stretch when hot • Duplex nickel finish for superior look and corrosion resistance • Double hex head includes 3/16 inches recessed allen head for easy installation • Removable and reusable • Can visually inspect; no need to put a wrench on to check tightness