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Our sleeving service offers a comprehensive solution that goes beyond superficial fixes
4" Down Pipe
and turbocharged applications where elevated cylinder pressures place extra stress on the head gasket and fasteners
These pistons are made to withstand the high pressures and temperatures of performance applications
BMW N55 / S55 4 Pin Crank Hub 11127583116 Our sleeving service offers aEliminate 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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