Pay in 4 interest-free payments of $125.00 Learn more
Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
These pistons are made to withstand the high pressures and temperatures of performance applications
150MHz specialized engine management microprocessor
4" Down Pipe
It's renowned for its use in various BMW models and for laying the foundation for the brand's later "M" performance engines
Fully balanced
BMW N55 / S55 4 Pin Crank Hub 11127583116 These pistons are made toEliminate Crank Hub Failure on Your N55 S55 with RK Autowerks 4 Pin Solution Crank hub issues have plagued BMW N55 and S55 engines for over a decadecausing crankshaft spin, timing drift, and costly internal damage. RK Autowerks answers this problem with a precisely engineered fix: the RK 4 Pin Crank Hub. CNC machined in house at RKs Texas facility and made from heat treated 4130 Chromoly steel, this crank hub offers unmatched durability and precision.
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