Skip to product information
1 of 2

Tomioka Racing

Tomioka Racing - Subaru 08-21 STI - Oil Cooler Kit w/ Thermostat

Tomioka Racing - Subaru 08-21 STI - Oil Cooler Kit w/ Thermostat


Regular price $620.00 USD
Regular price Sale price $620.00 USD
Sale Sold out
Shipping calculated at checkout.

TR oil cooler features a 16 row cooler core with high-quality stainless steel braided lines and fittings. TR oil cooler is the perfect upgrade for street or track cars. The oil cooler kit prolongs the life of the engine oil and internal components especially for Subarus under harsh driving conditions.

The oil cooler also increases the overall engine oil capacity to make sure plenty of lubrication for the boxer engine. TR oil cooler comes assembled and includes all hardware with brackets for bolt-on installation. This kit comes in ready with a built-in thermostat oil-sandwich adapter, perfect for winter driving, to make sure the oil is not overcooled.

The thermostat opens at 180F to ensure proper warm-up. We have seen up to 30 degrees Fahrenheit of oil temperature improvement over stock during aggressive driving conditions!


  • 16-row oil cooler profile
  • Ideal for a street or track car
  • Prolongs the life of the engine and internal components
  • Increases overall engine capacity to provide proper lubrication for the boxer engine
  • The thermostat is built into the sandwich plate that opens at 180°F to ensure proper warm-up
  • Up to a 30°F temperature drop in oil temps under aggressive driving conditions
  • Includes stainless steel braided lines
  • Includes high-flow aluminum precision machined fittings
  • Black finish


  • Subaru 08-21 STI

View full details

Collapsible content

Kit Contents