The Supertech intake valve set for Mazda Miata 1.8L is specified at 34.00 x 5.96 x 102.60 mm with a +1 mm head diameter and constructed from Inconel. Offered as a set of eight, these intake valves provide a direct replacement option for 1.8L Miata valve service or rebuilds and follow Supertech's SPT sizing for consistent installation across the cylinder head.
Supertech Mazda Miata 1.8L 34.00X5.96X102.60mm +1mm Head Dia Inconel Intake Valve - Set of 8