Supertech Mitsubishi 4G63 Black Nitrided Exhaust Valve - +1mm Oversize - Single Shift Knobs This new Digital design allows

This new Digital design allows you to set high and low RPMs quickly and easily without changing pills or chips

This move finally allowed us to make our kit 100% universal

2000-2003 Mazda Miata SE 2003 Mazda Miata Shinsen 1997 Mazda Miata STO 1992-1994 Mazda MX-3 GS 1993 Mazda MX-3 SE 2006 Mazda MX-5 Miata Base 2013 Mazda MX-5 Miata Club 2006 Mazda MX-5 Miata Club Spec 2013 Mazda MX-5 Miata Grand Touring 2007-2015 Mazda MX-5 Miata Sport 2007-2009 Mazda MX-5 Miata SV 2006 Mazda MX-5 Miata Touring 1993-1997 Mazda MX-6 Base 1988-1992 Mazda MX-6 DX 1991 Mazda MX-6 LE 1993-1997 Mazda MX-6 LS 1988-1992 Mazda MX-6 LX 1996 Mazda MX-6 M Edition 1994 Mazda Protege Base 1991-1994

Brian Crower Nissan TB48 39

Incorporates two 1/8th NPT vacuum ports

Supertech Mitsubishi 4G63 Black Nitrided Exhaust Valve - +1mm Oversize - Single Shift Knobs This new Digital design allowsSupertech Mitsubishi 4G63 Black Nitrided Exhaust Valve +1mm Oversize Single