GT Engine Components

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Mercedes AMG M177 M178 sparkplugs

M177-M178 HKS Spark Plug set (4.0l Biturbo)

$405.00 – $465.00
HKS Spark Plugs to suit M177-M178 4.0 litre BiTurbo engines. (set of 8) A noticeable difference in performance over other brands.  Iridium Alloy Center ElectrodeIridium alloy center electrode reduces voltage requirement...
GT63 Billet inlet manifolds (X290)

GT63 Billet inlet manifolds (X290)

$4,490.00
MANIFOLD CONSTRUCTION The factory manifolds are constructed from plastic, in 2 halves and then plastic welded (melted) together) This construction method is economical for large scale production, and (mostly) ok...