The GReddy Type R is the still considered to be one of the most effective Blow off valves on the market, from its 15 year history and is still one of the most robust and adjustable valves on the market. Able to work with extreme changes in vacuum, the Type R can be used on both MAF and Speed Density systems even with camshaft and turbocharger changes. A very large unit, but still VERY effective.
Valve size = 47mm
Machined/Cast, adjustable with 50mm outlet
400hp + Effective power range
Kit comes with the valve, gasket, nuts & bolts.