Supertech F/K-Series Nitride Flat Face Exhaust Valve Set Brand_K-Tuned Comes with matching countersunk washer

Comes with matching countersunk washer and tapered bolt

thus leaving the spring height and pre-load untouched

Built from aircraft quality aluminum

Internal data acquisition system

and adds improved handling and lower ride height for driving enthusiasts and style minded drivers who demand only the best

Supertech F/K-Series Nitride Flat Face Exhaust Valve Set Brand_K-Tuned Comes with matching countersunk washerBlack Nitrided Exhaust Valve 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. Features: Set of 8 Will help get the most out of your engine Designed with utmost precision for perfection Expected to provide worry free service for years Specifications: