what length u bolt for 2.5 inch lift blocks?

[pontiacfieroguy]

please forgive me ive already used the search function and cant find it. i need to know how long of a ubolt i need for some 2.5lift blocks somebody gave me for my first gen with the 7.5

 

['99 EB Explorer]

well, i don't want to sound like captain obvious here, but wouldn't measuring the current ones and adding 2.5 inches tell you what you need?

 

[trommy]

My blocks are 3".The ubolts are 10 1/2" with at least 1" unused thread at the top (at rear axle). G'luck

 

[pontiacfieroguy]

thanks trommy