DETROIT — Chevrolet continues to expand the Colorado ZR2 midsize truck’s performance envelope with the introduction of 15 factory race components developed and validated over 10,000 miles of off-road racing. The parts were developed by Chevrolet Performance engineering in collaboration with Multimatic and Hall Racing. Renowned off-road driver Chad Hall competed in a Colorado ZR2 equipped DETROIT — Chevrolet continues to expand the Colorado ZR2 midsize truck’s performance envelope with the introduction of 15 factory race components developed and validated over 10,000 miles of off-road racing. The parts were developed by Chevrolet Performance engineering in collaboration with Multimatic and Hall Racing. Renowned off-road driver Chad Hall competed in a Colorado ZR2 equipped