• N55 Stage 1 JB Upgrade Kit (NEW)

    From: $1,199.00 $999.00
    WHP Level supported (with proper fuel, upgrades, and tuning) Stock – 425WHP

  • N55 “GC” DBB Cast Upgrade

    $2,999.00$3,874.00
    WHP Level supported (with proper fuel, upgrades, and tuning) Stock - 600WHP Our N55 "GC" upgrade consists of 100% new castings for the entire unit. The turbine housing and manifold have been cast in two pieces with all the factory flow restrictions removed. This allows our upgraded to support a whopping 600WHP. The highest for any drop in N55 upgrade.