This part fits your vehicle! Based on the manufacturer’s specs, this product is an exact fit for your 1994-1995 GMC Yukon

1994-1995 GMC Yukon - Street Performance Throttle Body Spacer Helix Power Tower Plus - Aluminum, Direct OE replacement

Part number: S4157005
Manufacturer number: 57005

Street Performance

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Availability: In stock


List Price: $104.72
Our Price: $72.83
You Save: $31.89

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Product Description: STREET PERFORMANCE HELIX POWER TOWER PLUS THROTTLE BODY SPACER, T-6061 ALUMINUM -- Provides additional power up to 22 h.p. and...Read More


Material: Aluminum

Series: Helix Power Tower Plus

Type: Direct OE replacement

Warranty: Street Performance's 30-day Warranty


  • Overview
  • Extended Warranty
STREET PERFORMANCE HELIX POWER TOWER PLUS THROTTLE BODY SPACER, T-6061 ALUMINUM -- Provides additional power up to 22 h.p. and 25 lb.-ft. of torque and improves fuel efficiency up to 4 miles per gallon; Includes gaskets, bolts, and flat washers; Crafted from precision-machined T-6061 aircraft solid-billet aluminum for long lasting performance; Engineered to provide increased air-flow and performance throughout the power band; Features computer-designed chambers and channels to improve air velocity performance; Its variable venturi aperture provides turbulence to mix the air and fuel charge for a complete burn efficiency; Can be used with any grade of fuel; Easy installation; With Street Performance's 30-day warranty.

This product fits the following GMC Yukon submodels

  • 1994-1994: Sport; 8 Cyl 5.7L; "GAS, FI, VIN K"
  • 1994-1995: Base; 8 Cyl 5.7L; "GAS, FI, VIN K"
  • 1994-1995: SLE; 8 Cyl 5.7L; "GAS, FI, VIN K"
  • 1995-1995: SLT; 8 Cyl 5.7L; "GAS, FI, VIN K"

Product reviews

Best deal around by leadfoot, December 13, 2007

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What a great product. Wish I had bought it sooner. What a difference it makes. Well worth the money.


Nice Spacer, very clean look by cb, December 12, 2007

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The Spacer has a great look, and can save gas mileage if you keep your foot off the petal. It is fairly easy to install, but you might have to put a slight bend in your lines, but overall a great product. Worth the money!


best upgrade for money by chevy man, July 24, 2008

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dont know bout better fuel milage cuz just put it on. but deff more torque and power soon as you start it up. great bolt on for these tbi's. this and a chip is all you need


good purchase for power by 89chevy4x4, September 11, 2008

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this is a great product if your looking for an easy bolt on to help with performance and get a few more gallons out of your tank. But you cant have an outrageous driver either you have to be light with the throttle or it wont show much change in mpg but i


Great extra by , May 7, 2009

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the product is exactly what it says it is. it does give extra horses and torque as described. it is a noticable difference. i put it on a 91 chevy k1500 silverado and will not think about removing it. well worth the money