USA Standard Gear performance axles are constructed from high-tensile strength 4340 chromoly, use superior manufacturing methods, and feature advanced heat-treating technologies to create an axle of unparalleled quality and durability.
GM 8.5" 30spl FRONT AXLE KIT, w/ 297X, 79&UP 1/2TON TRK & BLAZER (ASSM_REQ)

Fitment:
Chevrolet Blazer Scottsdale 1988
Chevrolet Blazer Scottsdale 1989
Chevrolet Blazer Scottsdale 1990
Chevrolet Blazer Scottsdale 1991
Chevrolet Blazer Silverado 1988
Chevrolet Blazer Silverado 1989
Chevrolet Blazer Silverado 1990
Chevrolet Blazer Silverado 1991
Chevrolet V10 Suburban Scottsdale 1988
Chevrolet V10 Suburban Silverado 1988
Chevrolet V1500 Suburban Scottsdale 1989
Chevrolet V1500 Suburban Scottsdale 1990
Chevrolet V1500 Suburban Scottsdale 1991
Chevrolet V1500 Suburban Silverado 1989
Chevrolet V1500 Suburban Silverado 1990
Chevrolet V1500 Suburban Silverado 1991
Chevrolet V20 Suburban Scottsdale 1988
Chevrolet V20 Suburban Silverado 1988
Chevrolet V2500 Suburban Scottsdale 1989
Chevrolet V2500 Suburban Scottsdale 1990
Chevrolet V2500 Suburban Silverado 1989
Chevrolet V2500 Suburban Silverado 1990
GMC V1500 Suburban Base 1988
GMC V1500 Suburban Base 1989
GMC V1500 Suburban Sierra Classic 1988
GMC V1500 Suburban Sierra Classic 1989
GMC V2500 Suburban Base 1988
GMC V2500 Suburban Base 1989
GMC V2500 Suburban Base 1990
GMC V2500 Suburban Sierra Classic 1988
GMC V2500 Suburban Sierra Classic 1989
GMC V2500 Suburban SLE 1990