Our high-tension springs maintain precise valve control

disassembled core

VTEC engine from the Honda K-series family

The GSC beehive spring utilizes advanced material heat treatment methods for superior load loss capabilities

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BMW N54 Forged Rod & Piston Kit Cylinder Head Our high-tension springs maintain preciseMaximize 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