Shift Kit® Fits all 250/250C, 350/350C 1969-on Fits lockup and non-lockup
Reprogramming Kit™ With Gear Command™ Fits 250, 350 1969-86 Does not fit lockup transmissions
Reprogramming Kit™ Manual Shift Control Fits 250, 350 1969-86 Does not fit lockup transmissions
Reprogramming Kit™ With Gear Command™ Fits 350C only 1981-91 Does not fit 250C
Vacuum Bypass Kit Fits TH350/C, TH250/C, TH400, 3L80, TH375, C4, C5, C6 Also fits 4L60/65E when using 46-MOD and 4L80/85E when using 48-MOD
