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Review on πŸš— B&M 70239 Shift Improver Kit: Enhance Your Automatic Transmission Performance by Scott Gafur

Revainrating 5 out of 5

Love this kit

Love this kit, I've only used a street kit. Supports better shifts, 1-2 shifts are fast hard shifts. For me this is not a minus, when exiting a traffic light or when stopping, my truck wheels slip when shifting from 1 to 2 gears. This kit will wake up your gearbox.

Pros
  • Recalibrates your automatic transmission for crisp shifts, optimal performance and longer life
Cons
  • poorly thought out