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PERFORMANCE CARB SPACER KIT (4)
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Reviews Home >  Throttle Body Spacers
Top Rated Product
EFI and MPFI Throttle Body Spacers

EFI and MPFI Throttle Body Spacers

EFI AND MPFI THROTTLE BODY SPACERS Improve torque, performance and gas mileage Increase air intake volume and velocity Easy to install—50-state legal! No whistle as with ordinary spacers Choose from spacers best suited for your needs and custom-fit for your vehicle. All include gaskets, hardware and detailed instructions.

Average Customer Rating: 5 out of 5 5 out of 5 (2 Reviews)
2 of 2 (100%) customers would recommend this product to a friend.

Customer Questions & Answers: 7 Questions |  4 Answers
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Product Details

Customer Reviews for EFI and MPFI Throttle Body Spacers

Top 500 Contributor Top 500 Contributor
Overall Rating: 5 out of 5 5 out of 5
Great Improvement, July 4, 2008
By RobertGMC from CA

Pros: Easy to Install. Improved MPG!

"I just installed the Torque Curve spacer on my 2004 GMC Sierra with the 5.3L Vortec V8. There was a noticeable gain in MPG, about 2 in town. I also tow a large travel trailer and there is more power from this spacer. Very low amount of whistle, only at part throttle."

How often do you shop at JC Whitney.com?: Multiple Times a Year
4 of 4 people found this review helpful.
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Review 2 for EFI and MPFI Throttle Body Spacers

Overall Rating: 5 out of 5 5 out of 5
Nice product, March 19, 2007
By TGlover from Algonac,MI

"I just purchased the torque curve spacer for my 1994 dodge ram 1500 with the 5.9L. I'm thrilled with the improvement in performance and gas gain. It also installed very easily in about 20 minutes. There is a barely noticable whistle"

How often do you shop at JC Whitney.com?: First Time
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