Supertech Inconel Exhaust Valve - Set of 12 | 2000-2006 BMW M3/2000-2002 BMW Z3/2006-2008 BMW Z4 (BMEVI-1040S-12)

BMW S54B32 Inconel Exhaust Valves by Supertech Supertech sodium filled valve 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: 30.50mm Material: Inconel-Nimonic Groove Type: Single Groove Length: 118.85mm Stem Diam: 5.95mm 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 2000–2006 BMW E46 M3 2000–2002 BMW E36