ARP Pontiac 400-455 w/ Edelbrock D-Port Head Bolt Kit

These ARP head bolt kits are made from forged 8740 chromoly steel, a strong material that holds up well under the pressures of engine operation. This particular kit is designed for Pontiac 400, 455 engines that are using Edelbrock D-Port cylinder heads. ARP is well-known for making solid engine components, and their head bolts are a popular choice when rebuilding or upgrading an engine.

Using a quality head bolt kit like this one ensures that your cylinder heads are properly clamped down to the engine block. This is critical for maintaining a good seal between the head gasket and the block, which prevents coolant and oil leaks and keeps combustion pressures contained. The 8740 chromoly steel offers improved tensile strength over standard bolts, meaning they can handle higher clamping forces without stretching or failing. This kit is a direct replacement for your stock bolts when installing Edelbrock D-Port heads on your Pontiac V8.