2014-2018 Sierra 5.3L
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The Sierra 5.3L JDP-550 is FAST
and gives a huge increase in performance bringing supercar performance at an excellent price. The Sierra 5.3L comes with the L83 engine which produces 355 HP and 383 TQ, but who likes stock? We’ve taken this amazing car to the next level with our JDP-550 Performance Package by increasing airflow and efficiency to 550 HP with the best components available. The JDP-550 engine upgrade is compatible with both the factory automatic and manual transmissions.
Ready to make your Sierra FAST with a track tested and podium proven package from JDP? Scroll down to find out more and get yours now!
Package Price Starting At: $8,300.00