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SR Performance 70mm Throttle Body (86-93 5.0L)

Market Price $146.99 You Save 12% ($17.00)
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  • Item 41099
  • MPN# 41099

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Features, Video & Details

  • More Horsepower
  • Better Throttle Response
  • 70 MM
  • Fits 1986-1993 5.0L Mustangs

Review & Installation Video

Review & Install Video

Hello and welcome back to Stage 3 of AmericanMuscle’s project Foxbody, as you can see we’re currently out enjoying the fruits of our labor which took place in the first two stages, and for the first time since we started this project, I can honestly say

More Power. Increase the airflow in to your Mustangs 5.0L engine for an improvement in throttle response and more horsepower you can feel with a SR Performance 70mm Throttle Body.

Precision Crafted. This SR Performance Throttle Body is made from a permanent mold casting of 356 aluminum to produce a higher quality casting than conventional sand molds, which reduces porosity for an improved finish.

Application. The SR Performance 70mm Throttle Body is a direct bolt-in replacement for all 1986 to 1993 5.0 Mustangs. A 70MM Throttle Body is a great upgrade for a stock or mildly modified 5.0 Mustang. Reuses the factory Throttle Position Sensor (TPS).

Technical Note. The 1986 to 1993 5.0 Mustangs must run both a throttle body and EGR Plate, with all stock connections functional, to maintain street legal.

Fitment: 1986 1987 1988 1989 1990 1991 1992 1993 Details

What's in the Box
Hardware included:
  • (2) Two Gaskets
  • (2) Two Bolts
  • (2) Two washers
  • (1) One o-ring
Installation Info
Tech Specs
Throttle Body Specifications
Bore Size: 70mm Single or Twin Blade: Single
Year: 1986-1993 Model: 5.0 and 5.0 Cobra
Material: Aluminum Finish: Polished
Manufacture: SR Performance Computer Tune Required: No
Will it fit my Mustang?
  • Foxbody - 86, 87, 88, 89, 90, 91, 92, 93

Fits 5.0L V8's Only, Reuses the factory Throttle Position Sensor (TPS).

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Most Helpful Reviews

great fit

Great fit awesome look would definitely buy again for another car.

Helpful (1)

Excellent Throttle response

I had to purchase another gasket because the gasket provided was cheap

Helpful (1)

Overall Rating 4.7 out of 5 stars
Read All 28 Reviews

Customer Photos (15) Submit Your Photo

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4 Questions / 5 Answers

Ask a Question

I have a 88 LX (5.0) and was wondering if this part was CARB legal?


  • The SR Performance 70mm Throttle Body does not carry a CARB EO # so it would not be CARB legal.

    Rob D

Helpful (0)

I have a 1992 5.0 gt, I want to get this and a cold air intake, would I need the erg plate or spacer? It's a completely stock car, I just want more of a touchy throttle. Thanks


  • Yes, your 92 GT comes stock with an EGR spacer so you'll need to buy an after market EGR spacer to pair up with your SR Performance 70mm Throttle Body (86-93 5.0L). We suggest the SR Performance 70mm EGR Spacer (86-93 5.0L) (Item #41100) which you can find here:


Helpful (0)

I have a 1987 LX 5.0 with the Speed Density setup. Will this work with it? I have a 1987 LX 5.0 with the Speed Density setup. Will this work with it? I know many parts will fit correctly, but compatibility with SD is different. I just ordered a new CAM after about 2 weeks of research. I know it would be far easier to get parts i f I switched to MAF, but i (quite frankly) do not want to.


  • I don't know much about speed density, but I would think that it would. It's basically just a throttle body. Yours has egr, Iab valve and tp sensor on it, doesn't it?


Helpful (0)

Will this work with my cold air intake This might be a dumb question but will my cold air intake fit this TB or do I need to buy a 70mm tube for my air intake as well?


  • I had the stock intake on mine and it worked fine. I did need to open up the end a bit by taking out some of the rubber. I presume your CAI has a rubber coupling for the throttle body? If so should be fine.


Show 1 more answer Helpful (0)

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Customer Reviews (28) Write a Review

Overall Rating 4.7

out of 5 stars

Installation Time:Afternoon

  • Performance Gain 4.222222 4.2
  • Fit 4.526316 4.5

  • 5/5

    Installation Time: Less than 1 Hour

    February 13, 2017

    great fit

    Great fit awesome look would definitely buy again for another car.


    Year: 1980 Submodel: Other

    Helpful (1)

  • 5/5

    Installation Time: Less than 1 Hour

    January 17, 2017

    Excellent Throttle response

    I had to purchase another gasket because the gasket provided was cheap


    Year: 1989 Submodel: GT

    Helpful (1)

  • 5/5

    Installation Time: Less than 1 Hour

    December 19, 2016

    Great addition

    Bought this for my 93 gt that has a cobra intake. Fit perfect. This will compliment the future heads and cam mod. American Muscle provides quick shipping and prices!


    Year: 1993 Submodel: GT

    Helpful (1)

  • 5/5

    Installation Time: Less than 1 Hour

    October 25, 2016

    Best bang for your buck

    Best bang for your buck. Very nice finish inside and out. No need to get a BBK or the other big name companies this is compairable.


    Year: 1991 Submodel: GT

    Helpful (1)

  • 4/5

    August 28, 2016

    Good price!

    Better throttle response, looks good under hood. 4 stars because fitment wasn't 100. Had to use a blow torch to warm up the hose that goes from throttle body to intake to make sure it fit.


    Year: 1990 Submodel: Other

    Helpful (1)

  • 5/5

    August 26, 2016

    Best price and great performance!

    Can't believe I was able to get this for so cheap! Thank you American muscle for the unbelievable discount! Matched up with a 76mm mass air flow housing and my trick flow intake and manifold is bringing in air like never before, way better response and power!


    Year: 1990 Submodel: GT

    Helpful (1)

  • 5/5

    Installation Time: Full Day

    February 22, 2016

    Things I wish I would have known...

    First, I love it! Big gain in power. 1) I wish the information on setting the idle were a little more complete... 2) I wish the site would have recommended I buy a new set of studs with the throttle body. In fact, all new hardware would have been great! You cannot buy the studs locally, not even at Ford (service part only). 3) I wish I would have known how bad the old EGR spacer was going to stick. It took a lot of penetrating oil (Kroil) and a lot of elbow grease to get the EGR spacer to break from from the plenum (without breaking the studs. 4) I wish I would have known how difficult the black grommet fitting for one of the accelerator cables was going to be. It's just a little plastic stud, so I had to be super careful not to break it while exerting a lot of pressure to get it to fit into the grommet. I noticed that the grommet on the old throttle body faced the other direction too. I ended up using the old one to make it work. 5) I got 2 throttle body gaskets ( 2 more came with the EGR spacer for a total of 4) but no IAC (Idle Air Control Valve) gasket. The IAC was supposed to be in the box. Someone picked and packed and didn't double check. You cannot buy one anywhere, so I had to make one from a gasket kit. 6) I wish I would have known I would have to cut half an inch of my cold air intake aluminum tube to make it fit. 7) I wish I would have known that the rubber coupling that connects the throttle body to the cold air intake would be way too small. I did find one I could use at AutoZone. Like the studs, would have been a great recommendation..


    Year: 1991 Submodel: Other Chino Hills, CA

    Helpful (1)

  • 5/5

    Installation Time: Less than 1 Hour

    May 19, 2015

    Retired Marine I work on lawn mowers on the side just to keep busy

    I have a friend thats been working on cars since he was 12 so we went to work on the gt it was awesome thank you


    Year: 1989 Submodel: GT Jacksonville Nc

    Helpful (1)

  • 4/5

    Installation Time: Afternoon

    April 21, 2014

    Great throttle response.

    As others have mentioned, getting the old egr spacer off was the hardest part of the job. I have the stock plenum and MAF so i'm not getting full benefit possible, but the car is noticeably more quick to respond to the gas pedal. Nice looking expanse of polished aluminum in the engine bay as well.


    Year: 1990 Submodel: Other Houston, TX

    Helpful (1)

  • 5/5

    July 21, 2010

    Stack Racing 70mm Throttle Body

    I purchased this 70mm throttle body for my 1989 Mustang LX Coupe with a built 5.0 in it. The install was fairly easy, I did it by myself. My old throttle body was the dinky stock one, let me tell you putting them side by side is a huge difference in size. Once I put on the new throttle body and EGR Plate it already made my under hood appearance look better with it's great shinny finish from the polished aluminum. I did have to re-use 1 gasket because of the type of aftermarket intake I have (Edelbrock) so it pays off to be careful when going out with the old and in with the new. After it was installed I had to start my car and turn it off a few times to let the computer fix itself and fiddle with the idle screw a bit and then it was good to go. The throttle response after install was much better, it picked up speed faster and made it even easier to break traction at the rear wheels. Hope this review helped. Thanks.

    Jake E.

    Year: 1989

    Helpful (11)

  • 5/5

    April 09, 2010


    I like this product you can really tell the difference in the throttle response. plus it looks clean under the hood. Thanks American Muscle


    Helpful (7)

  • 5/5

    November 01, 2010

    throttle body

    you can hear and feel the difference, it was easy to install. i would suggest this part to anyone.


    Helpful (3)

  • 5/5

    June 10, 2010

    stack 70mm throttle body

    Looks good & performs well. Would recomend this peice to anyone looking to change throttle bodies. Thanks

    john mast

    Helpful (3)

  • 5/5

    Installation Time: Afternoon

    July 06, 2015


    Installed on a stock 5.0 that was lacking the throttle response that I like from carberation. This product installed very easily, Follow the instructions to set the TPS and IAC and it works very well. The throttle response is great and what I was looking for. It even changed the sound to a little deeper tone. Only one issue and that is a sqeek in the linkage hope to get that found and eliminated.


    Year: 1987 Submodel: Other

    Helpful (1)

  • 5/5

    Installation Time: Less than 1 Hour

    March 20, 2012

    what a difference

    i bought this for my girlfriends car and it was easy to install no issues everything was set perfect the only thing is that it says that it comes with bolts but never did. but the performence of the car had a huge different in second gear it felt like it lagged before but now it really goes


    Year: 1990 Submodel: Other merrimack nh

    Helpful (1)

  • 5/5

    Installation Time: Less than 1 Hour

    September 28, 2011

    Stack Racing 70mm Throttle Body

    This is a great Throttle Body for the budget customer. It is a really nice design. Good Throttle response.


    Year: 1990 Submodel: Other Elverson, PA

    Helpful (1)

  • 5/5

    February 14, 2010

    70mm throttle

    i am very happy with this product it is easy to install and there is a noticable difference in throttle response.


    Helpful (4)

  • 5/5

    December 22, 2010

    Stack Racing Polished 70mm Throttle Body (86-93 5.0L)

    Good product, faster aceelration great sound, looks good. Easy to install just make sure to buy new water hoses to to spacer plate mine were no good. Car ides a little better and accelerates consistently.


    Helpful (1)

  • 5/5

    Installation Time: Afternoon

    December 07, 2011

    Great Product at a great price

    Great quality and finish. Why pay more for other brands. Savings allowed me to buy other parts. I did the whole intake, headers and full tune up so I can say specifics on parts performance but works great and looks good.


    Year: 1987 Submodel: GT Denver, CO

    Helpful (0)

  • 1/5

    Installation Time: Afternoon

    November 19, 2014


    Received it and I put it on, I tried to go and it took me to literally kick the foot feed to open it back up. My warped one didn't even stick that bad.


    Year: 1992 Submodel: GT

    Helpful (0)

    • Response from AmericanMuscle

      I'm sorry to hear that the TB you received is defective. We can certainly get you set up with a replacement if necessary. Please give our customer service a call when you have a moment so we can further assist you.

      Lisa , Customer Care

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