Yukon front 4340 Chrome-Moly axle kit for '79-'87 GM 8.5" 1/2 ton truck and Blazer with 30 splines and Yukon SuperJoints. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon's 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. This kit comes with inner & outer axles for both left and right sides along with Yukon SuperJoints. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. "No Questions Asked" replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy's ring & pinion) makes final determination on warranty considerations.

Vehicle Fitment

Years	Make	Model	Trim
1988–1991	Chevrolet	Blazer	Scottsdale
1988–1991	Chevrolet	Blazer	Silverado
1989–1990	Chevrolet	K2500	Cheyenne
1989–1990	Chevrolet	K2500	Scottsdale
1989–1990	Chevrolet	K2500	Silverado
1988	Chevrolet	V10 Suburban	Scottsdale
1988	Chevrolet	V10 Suburban	Silverado
1989–1991	Chevrolet	V1500 Suburban	Scottsdale
1989–1991	Chevrolet	V1500 Suburban	Silverado
1988	Chevrolet	V20 Suburban	Scottsdale
1988	Chevrolet	V20 Suburban	Silverado
1989–1991	Chevrolet	V2500 Suburban	Scottsdale
1989–1991	Chevrolet	V2500 Suburban	Silverado
1988–1991	GMC	K2500	Sierra
1988–1991	GMC	K2500	Sierra SLE
1988–1991	GMC	K2500	Sierra SLX
1988–1989	GMC	V1500 Suburban	Base
1988–1989	GMC	V1500 Suburban	Sierra Classic
1988–1991	GMC	V2500 Suburban	Base
1988–1989	GMC	V2500 Suburban	Sierra Classic
1990	GMC	V2500 Suburban	SLE