Supertech Mazda B6 DOHC Miata Performance Single Valve Spring Kit with Titanium Retainers SPRK-MM16-S

{"currentSku":"SPRK-MM16-S","fields":["Spring Type","Seat Pressure","Retainer Material"],"current":{"Spring Type":"Single Valve Spring","Seat Pressure":"65lbs @ 33.60mm","Retainer Material":"Titanium"},"products":[{"sku":"SPRK-MM16-S","url":"https://forgedpistons.co.uk/supertech-sprk-mm16-s/","options":{"Spring Type":"Single Valve Spring","Seat Pressure":"65lbs @ 33.60mm","Retainer Material":"Titanium"}},{"sku":"SPRK-MM16D-2","url":"https://forgedpistons.co.uk/supertech-sprk-mm16d-2/","options":{"Spring Type":"Dual Valve Spring","Seat Pressure":"74lbs @ 35.00mm","Retainer Material":"Titanium"}}]}