more spring travel will be retained to combine a comfortable spring with harmonic dampener for the guaranteed best driving comfort

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Upgrade the performance of your BMW S55 engine with our custom-designed Head Stud Kit

VTEC engine from the Honda K-series family

disassembled core

BMW N54 Forged Rod & Piston Kit Cylinder Head more spring travel will beMaximize your BMW N54 engines performance with the ultimate forged rod and piston combination from 5150 AutoSport. Our BMW N54 Forged Rod & Piston Combos are engineered for durability under extreme conditions, featuring high performance forged pistons paired with either Manley or Carrillo connecting rods, tailored to meet the demands of your build. Choose CP pistons for high powered track days or Arias pistons for intense street driving. Pair them