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The Zone Offroad 1" transfer case drop for 1973–1980 Chevy 1/2 and 3/4 ton trucks, Blazers, Jimmys, and Suburbans reduces front driveshaft angles to address vibration caused by tall suspension lifts. Intended for 6" or taller lifts, it repositions the crossmember and improves driveline geometry to reduce front-end vibration. The kit includes brackets, extended hardware and thread locker for a complete, durable installation designed around heavy-lift applications.
Zone Offroad 73-80 Chevy 1/2 3/4 Ton T-Case Drop
