About this item

• ENGINEERED FOR AMERICAN V8 POWER — Designed to fit classic and high-performance Chevy, Ford, and Mopar engines using 3/8"-16 standard thread bolts. Ideal for small block and big block configurations. Perfect fit for muscle cars, restorations, street rods, and aftermarket headers.
• FITS MANY POPULAR APPLICATIONS — Compatible with small block Chevy 265–400, big block 396–454, Ford Windsor 260–351W, Cleveland, FE, and 385-Series, Mopar LA 273–360, B/RB 383–440, and 426 HEMI. See chart for exact engine compatibility and quantity required.
• CORROSION-RESISTANT ALLOY STEEL — Made from corrosion-resistant steel alloy with a show-quality polished finish. Delivers lasting durability and shine in high-heat, high-vibration engine environments.
• GRADE 5 PERFORMANCE YOU CAN TRUST — These header bolts offer balanced tensile strength and reliability, ideal for sealing aftermarket headers to iron cylinder heads without stretching or loosening over time.
• INCLUDES 12 BOLTS PER PACK — Each set contains 12 bolts (3/8"-16 thread), enough for most small block engines. Certain big block and specialty heads may require 14 or 16 bolts — order two packs for full coverage.