Supertech Inconel Exhaust Valves for Supra GR MANLEYPISTON4G637BOLT The kit is compatible with

The kit is compatible with all fuel types including gasoline

Assorted Kit (4) 13

it is a narrow barrel style and you should use 211315

Made from lightweight carbon fiber

Supertech Inconel Exhaust Valves for Supra GR MANLEYPISTON4G637BOLT The kit is compatible withSupertech Inconel exhaust valves for 2020+ Supra GR. The Inconel 751 nickel base alloy is great for engines that reach high temps. These valves are the standard size 30. 10mm to match your head diameter. The sodium filled option is designed to withstand even higher temperatures. Sold as a set of 12 or individually as needed. Please do all your research and consult your engine builder if necessary! Vehicle Fitment: 2020+ Toyota Supra GR B58 A90 A91 MKV