Extreme Race Built 4l60e
Extreme Race Built 4l60e Guys this is a quick run down on upgrades GM 29 element sprag, five pinion planets, hardened input shaft, raybestos performance forward clutches, beast sun shell, wide 2-4 racing band, superior fairbanks super servos, 13 vane pump, z pak performance clutches, transgo hd2 shift kit, etc, etc, im sure i left something out guys, this unit is brand new , built by coleman transmission, i change my setup around, im putting a th400 behind my new stroker with a trans brake, my lost is your gain 1000bucks 
