• Brand new (open box - but 100% new & unused), mint condition aFe Silver Bullet throttle body spacer for use in 2014 - 2018 GM trucks (Chevrolet Silverado, GMC Sierra 1/2 ton Gen 5 - K2XX models) equipped with the L83 - 5.3L Ecotec engine only (Will NOT work on the L86 - 6.2L) • These units retail for $205+ • Increase your throttle response, hp & tq • No longer needed, bought tuner for truck instead • Low ball offers ignored • Thanks for your interest, email please