LPO, 18 Grazen Metallic beadlock capable wheels with Tech Bronze decorative ring

Years 2025–26 Models 2 Factory citations 4

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Documented applications

Hummer EV Pickup (2022–2027)

2025–2026 Factory-verified

GM factory document — 2025 gmc hummer ev pickup fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc hummer ev pickup fleet order guide rpo codes, p.1.

Hummer EV SUV — BT1 (2024–2027)

2025–2026 Factory-verified

SUV guide wording: LPO, 18 inch Grazen Metallic beadlock capable wheels with Tech Bronze decorative ring. includes the matching spare (RZT); included in and available only with the Bronze Beadlock Package (PCK). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL.

GM factory document — 2025 gmc hummer ev suv fleet order guide, p.20.
GM factory document — 2026 gmc hummer ev suv fleet order guide, p.25.

This page aggregates every documented appearance of RZK in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.