Kong 112mm LSX Throttle Body (Black Anodized) LT4 Mercury Racing 450R/500R Performance Upgrade

Mercury Racing 450R/500R Performance Upgrade Kit by Kong Performance

Included in this service is CNC machining the snout

The best solution up to this point was fighting to install the tightest belt possible while frequently changing belts to keep belt slip to a minimum

These custom built intercoolers have a fully integrated o-ring design that provides a better seal than OEM for stopping hot air from bypassing the massive internal core on all four sides

Kong 112mm LSX Throttle Body (Black Anodized) LT4 Mercury Racing 450R/500R Performance UpgradeKong 112mm LSX Throttle Body (Black Anodized) 126x70mm Bolt pattern. Direct bolt on to Kong LSA LS9 TVS2650.