Skip to Main Content Skip to Footer Links
Error occured! Please reload the page and try again
Choose a Store
Open till 
There are vehicles in your garage

Free shipping on orders over $25.

Enroll in Speed Perks for more savings.


Cart is empty!


Add Something to the cart

includes estimated shipping



Vehicle added

Vehicles

Find parts for the selected vehicle:

View Vehicles
Are you sure you want to delete this vehicle?

    Add a


    Add a


    B & M Modulator

    Part # 20234
    Loading ...
    This item is not eligible for further promotional discounts, coupons or special offers.
    • Product Details

      Part No. 20234

      Warranty Details (90 DAY REPLACEMENT IF DEFECTIVE)

      B&M's vacuum modulator is fully adjustable, this allows you to tailor your shift points to within a range of 2-4 mph. Comes preadjusted for normal shift points. For TH350 and TH400

      Product Features:

      • Fully Adjustable
      • Allows You To Tailor Shift Points
      • Comes Supplied Pre-Adjusted
      • 1 Year Limited Warranty
      • Applications include GM TH350 and TH400 transmissions

    • Read Review
    • Q & A