B&M Master Overhaul Kit TH350 H77815FL 700 lb/in Spring Rate

700 lb/in Spring Rate

Pro Aluminum Adjusters

Handmade Crossform design for outstanding performance from 200 to 300-plus mph

The sealed housing

Street Bandit Hi-Tek

B&M Master Overhaul Kit TH350 H77815FL 700 lb/in Spring RateMaster Overhaul Kit, TH350 Transmission B&M'specializes in performance automatic transmissions, torque converters, SFI approved flexplates, legendary automatic shifters, precision manual shifters, and many other transmission products including cast deep aluminum transmission pans, transmission coolers, and automatic transmission fluid. B&M Performance and Off Road has been at the vanguard of the growing automotive aftermarket since the early 1950s.