Supertech 7mm Exhaust Valve Stem Seal (M20, M50NV, M70, M73, S14, S38, S50B30, S70)


Supertech high precision valve stem seal, formulated specifically for exhaust valve use.

This valve stem seal is suitable for use with 7mm valve stems, as found in many BMW engines – M20, early M50, M70, M73, S14, S38, S50B30, S70 and more. These will also fit many other applications including VAG.

Guide OD 9.8mm, Seal OD 13.2mm. Priced per seal.

Need your cylinder head overhauled? Give us a call on 01273 253896 to discuss our excellent machine shop offerings.

78 in stock (can be backordered)