Supertech Honda H22A1/H22A4 Black Nitrided Intake Valve - +0.5mm Oversize - Single VTEC Conversion This far exceeds OEM durability

This far exceeds OEM durability with the performance GSC Power-Division is world famous for

Year Make Model Submodel 1991-1996 Dodge Stealth Base 1992-1995 Mitsubishi Diamante ES

Year Make Model Submodel 1980-1988 Aston Martin V-8 Base 1980-1988 Aston Martin V-8 Vantage 1987-1988 Aston Martin V-8 Vantage Volante 1980-1989 Aston Martin V-8 Volante 1982-1983 Audi 4000 Base 1982-1983 Audi 4000 S 1980-1983 Audi 5000 Base 1980-1981 Audi 5000 S 1995 Audi 90 Base 1995 Audi 90 Sport 1995 Audi 90 Quattro Base 1995 Audi 90 Quattro Sport 1998 Audi A4 Avant 1996-2005 Audi A4 Base 2003-2006 Audi A4 Cabriolet 1998-2005 Audi A4 Quattro Avant 1996-2005 Audi A4 Quattro Base 2004 Audi A4 Quattro Cabriolet 1995-1997 Audi A6 Avant 1995-1998 Audi A6 Base 1995-1998 Audi A6 Quattro Avant 1995-1998 Audi A6 Quattro Base 1995-1996 Audi Cabriolet Base 1981-1985 DeTomaso Pantera GT5 1984-1989 DeTomaso Pantera GT5-S 1981 DeTomaso Pantera GTS 1990 Dodge D350 Base 1980 Ferrari 308 GTB Base 1983-1985 Ferrari 308 GTB Quattrovalvole 1981-1982 Ferrari 308 GTBi Base 1980 Ferrari 308 GTS Base 1983-1985 Ferrari 308 GTS Quattrovalvole 1981-1982 Ferrari 308 GTSi Base 1986-1989 Ferrari 328 GTB Quattrovalvole 1986-1989 Ferrari 328 GTS Quattrovalvole 1983-1985 Ferrari Mondial Quattrovalvole 1986 Ferrari Mondial 3

HKS SPF MH21S RR K6A

Supertech Honda H22A1/H22A4 Black Nitrided Intake Valve - +0.5mm Oversize - Single VTEC Conversion This far exceeds OEM durabilitySupertech Honda H22A1 H22A4 Black Nitrided Intake Valve +0. 5mm Oversize Single