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Discussion Starter · #1 ·
I have a 1993 k1500 Suburban with a 10 inch lift, 4.56 gears and 37 inch tires. Going on my third transmission in 4 years. I would like to upgrade to a 4l80e transmission but do not know exactly what I will need for a wiring harness and or computer or any thing else. Sub has a 350 with a 4l60e automatic already.
 

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4L80E

Contact JET Performance...They have a transmission and controller that will bolt right in...Approx $3000.00 for the whole thing...Also Pheonix Transmissions sells a nice unit for bolt in.
 
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