Black Nitride Intake Valve (TIVN-1058) by Supertech®. Designed utilizing the latest technology, this product by Supertech features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed stringent industry standards.
Black Nitride Coating is a hardening treatment that has been steadily growing in popularity over the last several years. These black Nitride coated valves feature harder surfaces and smoother finishes, providing less friction and subsequently longer life.
Please Note: You will need the Supertech BMW Ford Vauxhall 5mm Valve Lock - 7 Degrees & the Supertech BMW Toyota B58 5mm Intake Valve Stem Seal (Inc. M340i, 540i, Z4 M40i & A90 GR Supra) to install this valve.