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BMW M20 B25 - 75 mm stroke
designed in collaboration with CP-Carrillo
including heat treatment
Ideal for naturally aspirated and forced induction setups
2010–2014 BMW E71 X6 xDrive50i
BMW / Toyota B58 Valve Springs by SuperTech Seat Pressure:84 lbs BMW M20 B25 - 75Supertech offers high performance valve spring kits designed specifically for BMW and Toyota B58 engines, providing precise valve control and unmatched reliability. Each kit includes Supertech's premium valve springs, engineered for high RPMs and demanding conditions, ideal for performance enthusiasts and professional racing teams alike. Crafted from the finest materials, Supertech valve springs feature higher spring rates and greater durability than
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