This upgrade has all the components needed to replace the air injection system for a finished look and a cooler running engine. The British Customs Air Injection block-off bolts are machined from aluminum in a low profile design and coated black to match the head perfectly or left raw: either way they virtually disappear.
- Reduction in Exhaust temperature
- Discourage blue pipes
- Reduces lean conditions
- Low profile air injection plugs
- Copper crush gaskets
- Rubber nipples
- Air box plug