** NEW Whipple Supercharger, GMC Chevy 5.3L ** - $6,000 (Chico)

Brand NEW Whipple Supercharger and COMPLETE instal kit with Whipple tune for the 5.3L engine. Everything is untouched(other than opening the two large boxes to take pics) This was purchased for a 2016 Sierra 5.3L, 6 speed. This fits the 6.2L as well. This complete kit is #: Wk-1200B. Which includes the software tune. This complete kit is currently selling for $7,200 + tax. Get it now for over $1k off Asking $6,000 ** I’m also selling new never installed Gibson Headers for the same truck……they would greatly complement the supercharger! On CL