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1977-1981 E12 520 / 526
Dial in your BMW’s full potential with a ProtoTuned Custom Performance Tuning Package
5" front mount intercooler system with casted end tanks for improved flow (FMIC)
A direct mount fuel pressure regulator and gauge is mounted at the rear of the fuel rail
5150 AutoSport Combustion Chamber Upgrade Service for BMW M52TU Engines
BMW M52TU M54 Valve Set Valve Locks:Add Valve Locks 1977-1981 E12 520 / 526This race ready BMW M52TU M54 Valve Set from Manley Performance is engineered specifically for high demand builds. With single groove stems, and offered in a robust 6 mm stem diameter, these stainless steel valves are ideal for aggressive cam profiles, high RPM operation, forced induction, nitrous, or any build where durability and flow matter. Constructed from premium stainless steel alloys, the intake valves are swirl machined and polished to
US$ 89.95
US$ 60.00
US$ 34.95
