COBB 2.5L Spark Plug Set - One Step Colder

• 2004–2013 Subaru | Forester XT
• 2004–2014 Subaru | WRX
• 2004–2021 Subaru | WRX STI
• 2005-2009 Subaru | Legacy GT

The COBB 2.5L Spark Plug Set provides a one-step-colder heat range and tighter preset gap for modified turbocharged Subaru engines, serving as a factory replacement for the 2018 STI Type RA and 2019 STI while supporting a broad range of 2.5L WRX, STI, Legacy GT, Outback XT, and Forester XT applications.

• Fits 2004–2014 Subaru WRX and 2004–2021 Subaru WRX STI, including Type RA and S209
• Fits 2005–2009 Subaru Legacy GT and 2005–2009 Subaru Outback XT
• Fits 2004–2013 Subaru Forester XT
• Laser-welded iridium-tipped center electrode
• Trivalent metal plating for corrosion resistance
• 0.024 in (0.6 mm) preset gap and heat range 7
• Sold as a set of four
• Product code: D44700
• References: COBB Subaru 2.5L Spark Plugs product page

Review our Shipping Policy for delivery details, shipping costs and exclusions.

Eligibility, exclusions, applicable fees and exceptions are detailed in our Return Policy. Restrictions apply to special-order and custom products.

Proposition 65 Warnings: cancer and reproductive harm www.p65warnings.ca.gov