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BMW Seria 5 / F10 Sedan 550i 03/10 - 01/17
4L L4 F/I 1990 TOYOTA 4 RUNNER 3
Works on all metals
4E0407693N
Width: 188
Supertech M50/M52/M54 Double Valve Spring Set Alfa Romeo BMW Seria 5 / F10All Supertech valve springs are made of Superclean premium chrome vanadium steel alloy for higher efficiency and durability at high speed. The use of high quality steel alloy provides an additional benefit in the form of better structural memory for all our springs. Our valve springs are computer designed to ensure that stress levels do not exceed the stress limits specified in the fatigue graphs. Combined with our high quality steel alloy, it gives
