GMC Canyon HFX Series HFX-1 GMC Sierra 1500 Hybrid Forged 6-Lug HF6-3 GMC Yukon Hybrid Forged 6-Lug HF6-4 GMC Yukon Hybrid Forged 6-Lug HF6-3 GMC Sierra Hybrid Forged 6-Lug HF6-3