Increase your low to mid-range power and torque, plus boost fuel economy with the Airaid PowerAid Throttle Body Spacer. Built from aircraft-grade aluminum and featuring the revolutionary Helix Bore design. Straightforward installation with standard tools. 50-state CARB legal. Lifetime Warranty.
Harness the power of Helix with the Taylor Cable Helix Power Tower PLUS Throttle Body Spacer. Dyno and flow-bench tested to deliver massive mid-range power and torque gains, plus a boost in MPGs. T-6061 aircraft aluminum. 50-state CARB legal. 30-day warranty.
Finally, a throttle body spacer that doesn't whistle while it works. The JET Performance Power-Flo throttle body spacers’ innovative bore design gives you gains in the mid-range power band and increases overall fuel economy without the annoying whistle. 50-state CARB legal. 1-year warranty.
Boost torque and horsepower with aFe Silver Bullet Throttle Body Spacers. These throttle body spacers pump up the power without annoying wind noise. Combination serrated/helix design results in better fuel burn. Lifetime Warranty.
Ready to raise your fuel economy by 1 – 3 MPGs while throttling up your low-end torque? Just bolt on a custom EconoAid Throttle Body Booster. This ingenious intake booster helps improve combustion by shaping the air before it reaches your cylinders. Lifetime Warranty.
Not sure which 1998 Ford F-150 Throttle Body Spacers are right for you? We have over 1486 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"works great, i love to hear the whistle, then i know its working, and i can tell an increase in power." —Brandon F from Eggleston, VA bought a Taylor Cable Helix Power Tower Throttle Body Spacer for a 1998 Ford F-150.
"I am very pleased with my new Taylor Helix Power Tower Throttle Body Spacer. I was very easy to install and I have already noticed a 2-3 mpg increase in fuel economy. I have no other mods on my truck except for a free-flowing exhaust. I plasn to add an Edge programmer and BBK underdrive pulleys. Let you know how that works out. Reguardless of what most people believe, I received the greatest increase in mileage on my previous truck by simply installing a tonneau cover. Removing or lowering your tailgate does not increase your mileage. You have to eliminated the turbulence in the bed." —Robert D from Murfreesboro, TN bought a Taylor Cable Helix Power Tower Throttle Body Spacer for a 1998 Ford F-150, 4.6L V8.
"very easy to install and sounds amazing. well worth the money, mpg s went up also very nice!" —Blaine K from Hallock, MN bought an Airaid PowerAid Throttle Body Spacer for a 1998 Ford F-150.