12 point nuts (10MM Wrench Size)
TOTAL-LOC Locking Header Bolts - .53 Flange - Vibration Proof, Heat Resistant, Locking High Strength Stainless Header Bolts That Are Ready to Use!
12 Count - For Some LS
16 Count - For Some LS & Ford Modular
17 Count - For New Hemi
20 Count - For Ford V-10
PLEASE ALLOW 10-15 BUSINESS DAYS FOR SHIPPING