IAG Cylinder Head Threaded Plug Set - Subaru Models (inc. 2015-2021 WRX / 2013-2020 BRZ)

Spectral Performance now carries highly sought-after high-performance upgrades and accessories brought to you by IAG Performance.

These are the IAG Performance FA Cylinder Head Threaded Plug Set. These have been designed to replace the OEM press-fit freeze plugs that are commonly known for becoming loose and leaking coolant into the oil, as well as externally. The IAG Performance examples thread into the cylinder heads to lock into place without the risk of them coming loose.

DETAILS:

• Designed to be replacements for the OEM press-in freeze plugs that are known for backing out
• The IAG units are a thread-in design'
• Professional installation by a machine shop highly recommended
• Sold as a complete set of freeze plugs