2007-2013 Chevy & GMC Silverado & Sierra 1500 5.3L Parts & Accessories

Make sure your awesome 5.3L V8 Sierra and Silverado is operating at its peak potential with Tier One's lineup of performance parts and accessories for 2007-2013 Silverado and Sierra 1500 trucks! We can help you transform even the most basic of plain-Jane 5.3L Silverado or Sierra into a custom truck that you can really be proud of. Tier has all the Silverado and Sierra 1500 upgrades you need to get your tough Chevy or GMC 1500 ripping around the street, tearing it up off-road, or taking names down at the track. We here at Tier One have everything from our own built Silverado or Sierra 1500 transmissions and transmission rebuild kits that can handle a ton more power than stock while fixing common 6L80 or 4L60E transmission problems for improved reliability to Silverado and Sierra 1500 5.3L tuners, Silverado and Sierra 5.3L cold air intakes, Silverado and Sierra 5.3L exhaust kits, Silverado and Sierra leveling kits, Silverado and Sierra lift kits, and much more! Check out our built 6L80E transmissions. If you don't see what you need, contact Tier One or call 602-399-5484!