Turbo 350 vacuum modulator Turbo 400 vacuum modulator by B&M 20234. B&M's Turbo 350 and Turbo 400 vacuum modulator is fully adjustable, this allows you to tailor your shift points to within a range of 2-4 mph. Comes supplied pre-adjusted for normal shift points. NOTE: If you engine has a big camshaft and your engine does not make adequate vacuum, you will not be able to make the stock or B&M modulator work properly, usually resulting in late, hard shifts. |
| We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page. PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.  |