Mazda Valves

Made from forged 21-4N premium stainless steel alloy, OBX valves have been heat tested to withstand up to 2500 degrees Fahrenheit. Each valve is CNC precision machined and utilize OEM specifications for drop in fitment. All stems are micro polished and seats are swirl polished for optimal flow. Great for naturally aspirated and force induction applications. Available in standard and over sized sizes.

ITEM #	DESCRIPTION	MSRP
68-2003-E1	90-99 Miata 1.8L (BP056) - Exh / 28 mm / 6 mm / .2362"	$349.00
68-2003-E2	90-99 Miata 1.8L (BP056) - Exh / 29 mm / 6 mm / .2362"	$349.00
68-2003-I1	90-99 Miata 1.8L (BP056) - Int / 33 mm / 6 mm / .2362"	$349.00
68-2003-I2	90-99 Miata 1.8L (BP056) - Int / 34 mm / 6 mm / .2362"	$349.00
68-2003-E3	90-99 Miata 1.8L (BPD) - Exh / 29 mm / 5.94 mm /.2340"	$349.00
68-2003-E4	90-99 Miata 1.8L (BPD) - Exh / 28 mm / 5.94 mm /.2340"	$349.00
68-2003-I3	90-99 Miata 1.8L (BPD) - Int / 33 mm / 5.96 mm / .2348"	$349.00
68-2003-I4	90-99 Miata 1.8L (BPD) - Int / 33 mm / 5.96 mm / .2348"	$349.00