3 Lug ALS valve
The 3 Lug ALS valve was originally designed in 2011 and has been on race and championship winning cars in RallyX, WTCC, WRC and others.
Featuring a 33.75mm (1.3287”) outlet port, air from the plenum or compressor (depending on the plumbing used on your engine) is fed into the primaries through 4 tubes with a bore of 12.70mm (0.500”).
Cold air is fed into the ALS through a Wiggins style aluminium fitting with a bore of 23.00mm (0.905”).