B&M SHIFT IMPROVER KIT - GM TH350 TRANSMISSIONS #30262 2550650 Screw/Bolt sizes M4 - M27

Screw/Bolt sizes M4 - M27

Thread 3/8" NPT

This feature increases the scope of application of this range of vices

considering the size of the Pitbull Clamps

which greatly reduces the baking of metal on the centerdrill former

B&M SHIFT IMPROVER KIT - GM TH350 TRANSMISSIONS #30262 2550650 Screw/Bolt sizes M4 - M27B&M SHIFT IMPROVER KIT GM TH350 TRANSMISSIONS 1968 1981 GM TH350 Automatic Transmissions PART# 30262 The B&M Shift Improver kits feature two options to recalibrating your 1968 1981 GM TH350 automatic transmissions. First is the HEAVY DUTY set up, giving you firm positive shifts without loss of driver comfort for improved performance in all street vehicles. This is a great option for performance street driving or towing. The second is our STREET STRIP