The Harley-Davidson edition of the 2020 GMC Sierra is a striking truck. Of course, it needs a power gain to back up that mean custom look. Hennessey’s GOLIATH 700 supercharged performance upgrade is the solution.

Get a warranty-backed GOLIATH 700 supercharged upgrade for your 6.2L V8-powered 2019-2020 GMC Sierra / AT4 / Denali & Chevy Silverado pick-up truck: 979-885-1300 |