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Enhance your BMW's performance with Supertech high-performance valve spring kits
BMW S54 Stroker Kit Contents
better fuel efficiency
ideal for those pushing the M54B30 engine to its limits in competitive racing or high-boost applications
but only when the base "static" fuel pressure is set within these ranges and the vacuum/boost reference line is connected
BMW M50 M52 S50 S52 Harmonic Damper Pro-Xtreme M52 B28 Enhance your BMW's performance withBMW M50 M52 S50 S52 Harmonic Damper Kit at 5150 AutoSport Designed for performance and reliability, this Harmonic Damper is engineered to withstand the demands of high revving M50 M52 S50 S52 engines. Built from heat treated 4140 steel and precision fitted with ARP 8740 and Grade 12. 9 hardware, this race damper kit offers exceptional strength, longevity, and accuracy for serious enthusiasts. Perfect for high power applications, it ensures proper
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