B&M SHIFT IMPROVER KIT - GM TH350 TRANSMISSIONS #30262 2550650 Overall length 100mm

Overall length 100mm

Screw/Bolt sizes M4 - M27

Outside diameter 63mm

Flute length 108mm

Basic grade for milling steel and easy/medium difficult stainless steel

B&M SHIFT IMPROVER KIT - GM TH350 TRANSMISSIONS #30262 2550650 Overall length 100mmB&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