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Trans Dapt Throttle Body Injection (TBI) Spacers


Trans Dapt
Trans Dapt Throttle Body Injection (TBI) Spacers

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Trans Dapt's Throttle Body Injection (TBI) Spacers and adapters are available in three styles to improve the quality of engine air/fuel mixture for increased intake manifold volume. Trans Dapt TBI spacers provide better throttle response, fuel efficiency increases of 8 percent or more and significant torque gains throughout the rpm range These TBI spacers are designed for easy bolt on installation and are 50-state legal (EXCLUDING 2539, 2639, 2737, 2739), and covered by The C.A.R.B. Executive Order #D-578. Made in USA.

Swirl-Torque TBI Spacers
The slotted port design of Trans Dapt's Swirl-Torque TBI Spacers creates a vortex for better air/fuel mixture that improves low-to-mid range torque.More torque results in unsurpassed power gains, smoother acceleration, and better fuel economy.

Wide Open TBI Spacers
Wide Open spacers are designed for wide open throttle use and towing applications. With the open plenum design, these TBI spacers promodes improved mid-to-high end torque.

Smooth Bore TBI Spacers
Throughout the entire RPM range, these Smooth Bore TBI spacers increase plenum volume and air velocy that results in horsepower and torque gains.


13 Products
Smooth Bore

969-2733
Smooth Bore TBI Spacer
  • 1986-91 Chevy/GMC Trucks/S10/SUV 4.3L V6 & 5.0L/5.7L V8
  • Single Wing Nut Air Cleaner
  • $47.99
    Ships

    969-2734
    Smooth Bore TBI Spacer
  • 1992-95 Chevy/GMC Truck/S10/SUV 4.3L V6 & 5.0L/5.7L V8
  • Double Wing Nut Air Cleaner
  • $47.99
    Ships

    969-2735
    Smooth Bore TBI Spacer
  • 1987-90 Chevy/GMC Truck/SUV/Motorhome 7.4L
  • $48.99
    Ships

    969-2736
    Smooth Bore TBI Spacer
  • 1991-95 Chevy/GMC Truck/SUV/Motorhome 7.4L
  • $83.99
    Order Today Ships 09/11/15

    969-2737
    Smooth Bore TBI Adapter/Spacer
  • 1987-90 GM 7.4L or any 2" TBI to 5.0L/5.7L
  • 1.75" Manifold
  • $48.99
    Ships
    Swirl Torque

    969-2533
    Swirl Torque TBI Spacer
  • 1986-91 Chevy/GMC Trucks/S10/SUV 4.3L V6 & 5.0L/5.7L V8
  • Single Wing Nut Air Cleaner
  • $51.99
    Ships

    969-2534
    Swirl Torque TBI Spacer
  • 1992-95 Chevy/GMC Truck/S10/SUV 4.3L V6 & 5.0L/5.7L V8
  • Double Wing Nut Air Cleaner
  • $51.99
    Ships

    969-2535
    Swirl Torque TBI Spacer
  • 1987-90 Chevy/GMC Truck/SUV/Motorhome 7.4L
  • $51.99
    Ships

    969-2536
    Swirl Torque TBI Spacer
  • 1991-95 Chevy/GMC Truck/SUV/Motorhome 7.4L
  • $81.99
    Ships
    Wide Open

    969-2633
    Wide Open TBI Spacer
  • 1986-91 Chevy/GMC Trucks/S10/SUV 4.3L V6 & 5.0L/5.7L V8
  • Single Wing Nut Air Cleaner
  • $48.99
    Ships

    969-2634
    Wide Open TBI Spacer
  • 1992-95 Chevy/GMC Truck/S10/SUV 4.3L V6 & 5.0L/5.7L V8
  • Double Wing Nut Air Cleaner
  • $48.99
    Ships

    969-2635
    Wide Open TBI Spacer
  • 1987-90 Chevy/GMC Truck/SUV/Motorhome 7.4L
  • $48.99
    Ships

    969-2636
    Wide Open TBI Spacer
  • 1991-95 Chevy/GMC Truck/SUV/Motorhome 7.4L
  • $90.99
    Ships

    13 Products