Supertech Sodium Filled Inconel Exhaust Valve - Single | 2017+ Honda Civic Type R (HEVI-1060D-HS)

2017+ Honda Civic Type R Sodium Filled Exhaust Valve by Supertech Supertech sodium filled valves made of Inconel/Nimonic alloy offer a significant reduction in valve head temperatures that are required for today’s modern turbo engines. A cooler valve improves the material strength and durability while allowing the tuner more flexibility and a wider range of spark timing advances. Combine that with an average weight reduction of 10% and there isn’t a cooler valve on the market Features Head Diam: 29mm Material: Inconel-Nimonic / Sodium Filled Groove Type: Single Groove Length: 114.7mm Stem Diam: 5.47mm Back-cut angle Undercut stem One piece forged valve (non-magnetic) Magnetic friction welded wafer, Hardened to 52 HRC min “Superfinish” valve stem with a surface roughness of about 1/3 of a regular valve Benefits Reduced valve head temperature Allows the tuner more flexibility and a wider range of spark timing advances Improved material strength and durability Applications 2017–p