Description
Head bolt holes in aluminum cylinder heads can strip under the stress of high-RPM operation, leaving you with a compromised seal and potential coolant leaks. These reducer bushings restore thread integrity by providing a larger diameter contact surface, allowing you to re-tap and secure your bolts without sacrificing clamp load or engine reliability. A pack of 20 gives you the coverage you need for a complete Small Block Ford build or repair.
- Material: 4130 Chromoly
- Finish: Black Oxide
- Outer Diameter: 0.500 in
- Inner Diameter: 7/16 in
- Application: Small Block Ford
- Head Type: Aluminum
- Fitment: Head Bolt holes
- Quantity: 20 pack
- Installation: Requires machine work
