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**Yukon Jack** · 01-09-2010, 01:12 AM

The Zero Rates from Offroad Design are designed to give one additional inch of lift for the rear axle - it also gives you the option to move the axle back or forth one inch by way of offset spring pin holes.

The shackle flip I put on my 69 K20 was designed to give 4" of lift. When I did my lift I used 4" Tuff Country EZ Ride front springs and the combination left my truck's rear end a bit lower than the front. Not sure if my stock rear springs were sagging some or the front springs gained more than 4".

01-09-2010, 01:12 AM	#28
Yukon Jack Post Whore Join Date: Feb 2000 Location: Rose Hill, KS, USA Posts: 12,683	Re: Ready to go 1 Ton/K5 The Zero Rates from Offroad Design are designed to give one additional inch of lift for the rear axle - it also gives you the option to move the axle back or forth one inch by way of offset spring pin holes. The shackle flip I put on my 69 K20 was designed to give 4" of lift. When I did my lift I used 4" Tuff Country EZ Ride front springs and the combination left my truck's rear end a bit lower than the front. Not sure if my stock rear springs were sagging some or the front springs gained more than 4". __________________ 1970 Blazer with a 400 sbc and 4" lift 1980 Pontiac Trans Am, 455 Oldsmobile 2012 Kawasaki Concours 14