ARP 12pt Header Bolt Kit for Buick 350-455 3/8in

ARP 12pt Header Bolt Kit for Buick 350–455 (3/8") Brand: ARP Upgrade your Buick 350–455 exhaust header installation with this precision-engineered ARP 12-point header bolt kit. Designed for a perfect fit and long-lasting durability, these 3/8" fasteners deliver the clamping power and reliability required for high-performance and street applications. Key Features Exact Fit: Engineered specifically for Buick 350–455 header flanges to ensure correct alignment and consistent torque. 12-Point Head: Compact 12-point design allows access in tight engine bay locations using standard sockets and wrenches. 3/8" Diameter: Optimized for header flange strength and vibration resistance common to Buick small-block and big-block installs. High-Quality Construction: Manufactured by ARP to strict tolerances for fatigue resistance and long service life. Complete Kit: Contains the correct number of bolts and fasteners required for a full header installation (verify fitment per application). Why Choose ARP ARP is a trusted name in aftermarket fasteners. This kit provides consistent clamp load, corrosion resistance, and the reliability needed for engine and exhaust assemblies that see high heat and repeated cycles. Fitment: Buick 350–455 engines. Confirm compatibility with your header and vehicle before purchase.