B&M Shift Improver Kit - GM 4L60E Transmissions - 70360 interior-trim Rear Axle Lines

Rear Axle Lines

2006 BMW 330i

4L V8 1961 Mercury Meteor 390/6

yields 5 gallons per minute at 13

B&M Shift Improver Kit - GM 4L60E Transmissions - 70360 interior-trim Rear Axle LinesOverview: The B&M Shift Improver kits feature two options to recalibrating your 1982 1993 GM TH700R4 4L60 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 set up. Be warned, this will deliver firm positive shifts you will feel, along with