Supertech Inconel Exhaust Valves for 4G63 Evo/DSM Water pump The 3" coupler is just

The 3" coupler is just a bit loose on the 70mm

If you upgrade your plastic valve cover

Amperage Draw 9

Additional Fitments:

0mm EJ205 Set for 4 Pistons 46925DT-4 92

Supertech Inconel Exhaust Valves for 4G63 Evo/DSM Water pump The 3" coupler is justSupertech Inconel exhaust valves for 4G63 Evo, DSM and GVR4. The Inconel 751 nickel base alloy is great for engines that reach high temps. These valves are available in 4 sizes to match your head diameter with an option for sodium filled, designed to withstand even higher temperatures. Sold as a set of 8 or individually as needed. Please do all your research and consult your engine builder if necessary! Vehicle Fitment: 1992 2006 Evolution I IX 1990