12571048 (lasered)

Rainier, OHV, 16 Valves, FI, Naturally Aspirated, Ga

Avalanche, Silverado, Suburban, Tahoe, OHV, 16 Valve

Avalanche, Silverado, Suburban, Tahoe, Trailblazer,

Envoy, Sierra, Yukon, Yukon XL 1500, OHV, 16 Valves,

Sierra, Yukon, Yukon XL 1500, OHV, 16 Valves, FI, Na

9-7x, OHV, 16 Valves, FI, Naturally Aspirated, Gas,