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BBK Twin 65mm Throttle Body (96-01 Cobra, Bullitt; 03-04 Mach 1)

Market Price $425.49 You Save 13% ($55.50)
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  • Item 56052
  • MPN# 1711

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Features, Video & Details

  • Gain Up to 12 HP.
  • Improves Throttle Response.
  • Bolt-On Installation.
  • Lightweight Aluminum Construction.
  • Includes Hardware.
  • Fits 96-01 Cobra, 01 Bullitt, and Mach 1.

Review & Installation Video

Review & Install Video

Hey, what's up everybody? I'm Justin with, and this is my detailed overview of the BBK Twin 65 millimeter throttle body option available for all '96 to '01 Cobras and the '03 to '04 Mach I. In this video, I'm gonna talk to you about what you can expect when upgrading your throttle body like this, what you're gonna be looking at as far as materials and construction with the BBK option, and then finally what it takes to get this thing bolted up to your four valve. We're gonna do a quick walk through of the install later on in this video, but expect a very simple one out of three wrenches on the difficulty meter. A few basic hand tools is really all you're looking at here. You should be checking out the BBK Twin 65 millimeter option for your Cobra or Mach I if you've already taken care of some moderate modifications or maybe have gone forced induction and you're looking to upgrade that factory 57 millimeter twin option to the larger 65 millimeter throttle body. It's gonna get you a little bit more power. It's gonna get you a little bit more throttle response in the process. You don't need to get a tune to get this thing up and running. It's a direct bolt-on modification. But, ultimately, running a tune with this throttle body will get you some bigger gains, especially with those more moderately modified setups or maybe those blown setups. When shopping for your aftermarket throttle body options for your naturally aspirated or blown four valve car here on the site, you're gonna find a few different options. BBK offers a 65 millimeter option that we have here. They also offer a twin 62 millimeter option. You're also gonna see a couple from Accufab as well - similar price, similar sizing. How do you determine what is the best option for you? I will say that the twin 65 millimeter option that we have here in this video, again, is going to be better suited for you Mach I or Cobra owners out there that have done a decent amount of modifications or maybe even added a blower or a snail. I wouldn't necessarily recommend this for a first mod out there or if you plan on keeping things relatively simple. For that, I would recommend BBK's twin 62 millimeter option if you do plan on keeping things a little bit more simple overall. All right, guys, using the information we just talked about, maybe you've done some research on your own. You've landed on the twin 65 millimeter option. What kind of performance now can you expect when using this thing? Well, BBK claims 12 horsepower at the wheels when using their throttle body, their twin 65 millimeter option, and I have no reason to disagree with that. But again, the more heavily modified setups will see the bigger gains overall, including the cars that have used an aftermarket custom tune. Those cars that keep things relatively simple, the mild bolt-ons, you might not see as big of gains when making the switch to this throttle body, because, again, this is one of those parts that really does work well when used with other mods. One thing you can count on, though, besides the power gains is the improved throttle response overall. That is something nearly every single one of our customers have pointed out in the customer review section. I really encourage you to check that out because, again, it's a great way to get some honest feedback from real four valve owners who have this thing installed and pound the pavement with their car every day. Again, they're just gonna give you some honest feedback. All right, guys, I will say, as far as construction is concerned, BBK has done a very solid job. They've actually used 356 grade lightweight aluminum alloy for the build of all of their throttle bodies, all CNC. I've seen these things actually made in person. It is very impressive. It's pretty crazy to see this thing basically start off life as a big hunk of aluminum. At that point, the CNC machines go to work, and what you're left with here is their twin 65 millimeter option. Basic construction aside, you're also gonna find that BBK loads their throttle bodies with brand new double sealed bearings, new throttle linkages, new throttle shafts as well, so basically expect this thing to perform like a factory part. It shouldn't give you any headaches down the road, and it's gonna fit great. All BBK throttle bodies do include brand new hardware, brand new gaskets, and all of them are 50 state legal. As you guys can tell, I'm a fan of the BBK throttle body from overall construction and fitment and all that good stuff. However, I do have one small little nitpick or bone to pick with BBK. I would've preferred to see them kind of smooth out or round out some of these sharp edges here with the opening, just to help promote a smoother air flow overall, kind of like what Accufab does with their four valve throttle body options. But, that's pretty much where my complaints end with this option. Switching gears, let's quickly talk about price with the BBK twin 65 millimeter option. This thing is gonna be priced much in line with the rest of your aftermarket throttle bodies for the naturally aspirated four valve cars. You're gonna be looking at right in the mid to high $300 price point, which is pretty fair, given a mod like this. As far as the install is concerned, guys, like I talked about earlier, this one's gonna be a strong one out of three wrenches on my overall scale of difficulty, maybe an hour or two to get everything bolted up. Pretty straightforward. Anybody should be able to knock this one out with some pretty basic hand tools in the shop or garage with ease. You're looking at some sockets here, a few screwdrivers, and an Allen key set is really all you need to tackle this job. As far as your basic install steps, well, you need to remove your intake first to gain access to your factory throttle body. Remove the four bolts holding that thing in place. Discard that factory gasket as it will no longer be used. At this point, transfer over your TPS sensor from your factory throttle body over to the new BBK throttle body. Reinstall in reverse order using the new hardware and the new gasket, and you should be all set. As for my final thoughts on the twin 65 millimeter option here from BBK, well, guys, I think this is an awesome choice for any heavily modded four valve out there, whether it be naturally aspirated or forced induction. If you're sticking with a more mild naturally aspirated build, I'd recommend going with the twin 62 millimeter option instead from BBK. Overall, if you are interested in the big boy here, be sure to check it out at

Gain Up to 12HP. Replace your Mustang's restrictive factory throttle body to gain up to 12 horsepower and improve throttle response for power you can really feel. This free-flowing BBK twin 65mm throttle body will improve airflow where it matters most, maximizing horsepower from all your mods and really waking your Pony up off the line.

65mm Twin Blade Design. Your stock throttle body chokes off airflow and keeps your Mustang from breathing freely and giving you all its got. This BBK throttle body features a generous, free flowing 65mm twin bore design.

CNC Machined Aluminum. BBK's throttle bodies are cast from high quality, lightweight 356 aluminum alloy that is finished using CNC machining to ensure a precision fit. They feature double-sealed bearings, o-ringed throttle shafts, and precision die-stamped linkages to ensure a long life and maximum performance for your Pony.

Bolt-On Installation. The BBK Throttle Body is designed for a straightforward installation and includes all necessary hardware. It is designed to be installed reusing the factory throttle body gasket making it a no-hassle mod.

Application. This BBK Throttle Body is designed to fit the 1996-2001 SVT Cobra, 2001 Bullitt, and 2003-2004 Mach 1.

Technical Note. This BBK product is not legal for use in emission restrictive states.

Fitment: 1996 1997 1998 1999 2001 2003 2004 Details

What's in the Box
  • (1) Throttle Body
  • (1) Gasket
  • (6) Screws
  • (1) Set Screw
  • (1) Bushing
Installation Info
Tech Specs
  • Fits 1996-2001 SVT Cobra, 2001 Bullitt, and 2003-2004 Mach 1
  • 65mm Twin Blade
  • CNC machined from high quality 356 aluminum castings
Throttle Body Specifications
Bore Size: Twin 65mm Single or Twin Blade: Twin
Year: 1996-2004 Model: 96-01 Cobra, 01 Bullitt,
and 03-04 Mach 1
Material: Aluminum Finish: Cast Aluminum
Manufacture: BBK Computer Tune Required: No
Will it fit my Mustang?
  • Bullitt - 01
  • Mach 1 - 03, 04
  • Cobra - 96, 97, 98, 99, 01

Fits 1996-2001 SVT Cobra, 2001 Bullitt, and 2003-2004 Mach 1

People Who Bought This Item Also Bought

Most Helpful Reviews

Great Purchase

It was a bit difficult to install on a 2001 Bullitt but it was well worth it. The only problem i have is the cruise control linkage did not work, it would have kept the throttle open at idle. Great power ...

Read More
Helpful (9)

a definite buy

This throttle body opened up my 98 Cobra's airflow so much!! With the 90mm Lightning mass air flow and JLT CAI, the difference is just ridiculous. The 4.6 pulls in so much air now!! Noticed the biggest ...

Read More
Helpful (8)

Overall Rating 4.4 out of 5 stars
Read All 28 Reviews

Customer Photos (14) Submit Your Photo

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5 Questions / 6 Answers

Ask a Question

Twin 65mm TB For 2003 Mach Won Is this a ok upgrade for a mach 1 thats pretty much stock? or is this product more designed for a car with more done to it to get any real gain? I just have a JLT Ram air on my Mach and magnaflow catback and x pipe. and another question, what size TB does my 2003 Mach Won come with stock?? thanks!


  • Stock is dual 57mm. If you didn't have the intake and catback, I'd recommend the BBK twin 62mm version of this product. Since you do, this one will work well to get the most from your Mach 1. To really take advantage of the larger bore on this version, get a larger MAF (Ford Perf. 90mm), headers, and a custom tune.


Show 1 more answer Helpful (4)

i here on some of the forums that the BBK 65mm throttle body has problems, like cruise control not working, throttle body sticking and not idling right. do you have a fix for all this, i just bought one and dont want to have any issues after the install. i plan on adding a cold air intake, tune and full exhaust. do you recommend anything else to get the most hp with out breaking into the motor


  • These issues are extremely uncommon to have and should not be experienced. Without breaking into the engine there isint much more to be done to gain more horsepower, the next step could be intake spacers to gain more horsepower.


Helpful (1)

I have a 2001 Bullitt with bbk headers connected to a pro-chamber free flowing exhaust. For the intake, I have a jlt cai, and I also have a diablo sport tune. My question is, which size ? 62 or 65mm?


  • The BBK Twin 65mm Throttle Body is a great option as it will give your Mustang the added flow for better response time of the line.

    AM MikeW

Helpful (0)

If installed will it pass VA emissions inspection?


  • Hello, depending on your states emissions regulations will be the deciding factor. This BBK product is not legal for use in emission restrictive states like California for example. For states that are not emission restrictive it should be just fine and work great!

    Ryan H

Helpful (0)

My auto Mach 1 is putting down 437rwhp and about 400rwtq through a Vortech H/O kit with full exhaust and CA intake. I'm wondering if upgrading from the stock 57mm TB to the 65mm TB will make much of a difference or if I should go bigger? Should I be concerned about idle, keeping cruise control and having to do any retuning?


  • I definitely think this bigger BBK Twin 65mm Throttle Body will be a good upgrade. As long as you have the tune on your car adjusted after installing this throttle body, you should not run into any issues as far as idling, cruise control, or any type of return system.


Helpful (0)

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Customer Reviews (28) Write a Review

Overall Rating 4.4

out of 5 stars

Installation Time:Afternoon

  • Performance Gain 4.35 4.4
  • Fit 4.45 4.5

  • 5/5

    April 07, 2010

    Great Purchase

    It was a bit difficult to install on a 2001 Bullitt but it was well worth it. The only problem i have is the cruise control linkage did not work, it would have kept the throttle open at idle. Great power though, and the throttle response is great. I suggest getting a dyno tune to get the most out of it.


    Year: 2001

    Helpful (9)

  • 5/5

    August 25, 2009

    a definite buy

    This throttle body opened up my 98 Cobra's airflow so much!! With the 90mm Lightning mass air flow and JLT CAI, the difference is just ridiculous. The 4.6 pulls in so much air now!! Noticed the biggest gain at lower rpm, hella more low end torque than before, and in every gear.


    Year: 1998 Submodel: Cobra

    Helpful (8)

  • 5/5

    Installation Time: Afternoon

    March 14, 2012

    Worth every penny

    I bought this for my 04 Mach 1 it was pretty easy bolt on if you have the right tools and I can tell a big difference in the throttle response you can hear it suckin the air in which sounds awesome worth every penny


    Year: 2004 Submodel: Mach 1 Anniston, AL

    Helpful (4)

  • 2/5

    Installation Time: Less than 1 Hour

    January 15, 2012

    no gains

    it didnt fit that well... i didnt get really any gains off this product but it makes the whistle noise which i kinda like but its not worth 350 to make noise. anyway i wouldnt pay again for this product maybe with more parts it will be worth more power


    Year: 1998 Submodel: Cobra tucson az

    Helpful (4)

  • 5/5

    February 27, 2011

    96 cobra

    Good product but it did have some issues. First the hookup for the cruise control would keep it open so I have to keep it undone. Second my stock tune could not keep up with all the air coming in so if you are going to get it I suggest getting a handheld tuner to go with it. But don't get me wrong I got a good gain from both judging by the seatopants meter. I will be posting a side by side comp here shortly.

    nathan twitty

    Year: 1996 Submodel: Cobra

    Helpful (4)

  • 5/5

    January 12, 2009

    great mach 1 throttle body

    great throttle body. have a jlt ram air intake and this thing really made it come out. only thing is that they do not provide the allan wrench to change the idler but no biggy. together with a bassani exhaust and wow!!!!


    Helpful (4)

  • 1/5

    Installation Time: Less than 1 Hour

    May 11, 2014

    Good gain but many problems

    yes you can feel the power but the idle will be normal then you will come to a stop and it will idle at 2k-3k RPM or even die ....i tried putting a stiffer spring and even checked for leaks around the gasket but there are none..... is this a defected product or have other people had these problems.... "It is designed to be installed reusing the factory throttle body gasket making it a no-hassle mod." Yeah right!.........American Muscle please help me


    Year: 1999 Submodel: Cobra CA

    Helpful (3)

    • Response from AmericanMuscle

      This is definitely not a common thing we've heard about. It could be that you need a tweak in your tunes or something is wrong with the TB. I'm going to have one of our customer service reps get in contact with you to figure out what the next step is in fixing this issue.

      Lisa , Customer Care

  • 5/5

    Installation Time: Less than 1 Hour

    October 15, 2011

    Great Quality Throttle Body

    I installed this throttle body on my 1997 Cobra without a tune. I currently have a K&N FIPK with the stock MAF. As mentioned, you will have to disconnect the cruise control cable, or else it will idle around 3,000 RPM. The car was noticeably louder, but not much. I might have noticed a small increase in power, but it's hard to tell. I can feel that it's sucking in a lot more air, so I'm sure when I tune it, it will really shine. This throttle body is light weight and high quality. I've been happy with every BBK product I've bought to date. I would recommend this product, but wait until you can buy a cold air intake and tuner at the same time.


    Year: 1997 Submodel: Cobra

    Helpful (3)

  • 5/5

    May 06, 2010

    BBK Twin 65mm TB

    A piece of cake to install, Installed along with the true cold air intake and noted a WORLD of difference in acce;eration. I was amzed at how you can feel the extra "pull" just in the driver seat. X tubes and cat back are next. ed


    Helpful (3)

  • 5/5

    Installation Time: Afternoon

    March 19, 2014

    Gained 15HP

    Gained 15HP but had installed BBK CAI and Steeda Underdrive Puley previously. Way better throttle response, nice hiss sound from tb. Really woke up the car. Had to correct rpm as were too high with new tb.


    Year: 2001 Submodel: Cobra Poland

    Helpful (2)

  • 4/5

    Installation Time: Less than 1 Hour

    December 05, 2013

    Easy Install

    The install only took 30-45 minutes and everything lined up perfectly. I read other reviews where people had to leave their cruise control cable unhooked because it made the throttle stay open. I didn't have that issue. Just FYI for your install, the only issue I had with the install was removing the factory screws from the throttle position sensor. I ended up having to drill the factory screws out to get the TPS off of the factory throttle body. If you don't want to drill them out you can buy another TPS at an auto parts store for around $30. Overall, I am pleased as always with the AM products. As far as performance gains, I did notice a little better throttle response. I have several other bolt-ons and a SCT tune so it was hard for me to tell how much actual horse power I gained. This is a must have and an easy bolt-on DYI project for any Mustang owner.


    Year: 1996 Submodel: Cobra Georgia, USA

    Helpful (2)

  • 5/5

    Installation Time: Weekend

    April 18, 2017

    Throttle body

    I purchase this item looking for more hp gain on my 03 Mach 1 and boy did I get it . Sounds very nice on my car highly recommended if ur looking for some power under that hood of yours go with the 65 mm bbk throttle go big or go home .


    Year: 2003 Submodel: Mach 1

    Helpful (1)

  • 5/5

    Installation Time: Less than 1 Hour

    February 18, 2017

    Great throttle response

    Has great throttle response,very easy to install. On the Mach 1,one of your shaker hood mounting bracket mounts to one of the throttle body bolts. BBK did not leave enough room for the bracket to mount properly. So you have to cut your bracket down a tiny bit, aboutan1/8th of an inch and it will fit perfectly. Comes with modding. Not a big deal. But overall great product for the money.


    Year: 2004 Submodel: Mach 1

    Helpful (1)

  • 5/5

    Installation Time: Less than 1 Hour

    January 24, 2017


    I can feel an increase in acceleration on my '97 snake throughout but especially at wide open throttle. It was easy to install with everything an exact fit. Only adjustment necessary was lengthening the cruise control cable a few notches, (stock cable is adjustable) and I was on the road again !


    Year: 1997 Submodel: Cobra

    Helpful (1)

  • 4/5

    Installation Time: Less than 1 Hour

    November 22, 2016

    01 cobra READ

    Holes on throttle body are bigger then the intake by like just an 1/8th of an inch on my cobra but it works well and actually has a bit of a whistle to it I love it hahaha.


    Year: 2001 Submodel: Cobra

    Helpful (1)

  • 2/5

    July 16, 2016


    Not so great at all. Very overpriced. I never have liked BBK, never will buy parts from them and regret getting this throttle body. Had to adjust the idler screw for my car to stop dying during idle. Gas pedal is very sticky and have a very hard time adjusting, just overall cheap part. Not much performance gain. Don't buy.


    Year: 2004 Submodel: Mach 1

    Helpful (1)

  • 4/5

    March 05, 2016

    Wasn't expecting that....

    Added on with Mac headers and new Eibach shocks/struts with a retune, all provided by my little lady. Everything on the car felt new but the gas pedal went from night and day with this mod. A little over my budget but awesome results and easy install. 2004 Mach 1 w/86k miles.


    Year: 2016 Submodel: Mach 1

    Helpful (1)

  • 5/5

    Installation Time: Less than 1 Hour

    June 05, 2014

    Great Added HP!

    Installation was pretty simple and definitely adds a ton of more air to your engine to give it the extra boost needed. I noticed the difference immediately after installation.


    Year: 1999 Submodel: Cobra Las Vegas, NV

    Helpful (1)

  • 5/5

    Installation Time: Less than 1 Hour

    May 31, 2014

    Great add on

    This is a must if you plan on future upgrades. Your not gonna notice a whole lot other then a little more low end everyday day driving rpm but combine it with the 90mm MAF, cold air and a tuner!!! :-) Have fun is all I can say.


    Year: 1996 Submodel: Cobra Dallas, TX, USA

    Helpful (1)

  • 4/5

    Installation Time: Afternoon

    July 13, 2013

    2001 Bullitt install 65mm...

    I like the product overall, but it was pretty difficult install I had to troubleshoot some areas. I had to troubleshoot the cables to connect it to the throttle body such as the cruise control cable it didn't fit properly and it made my throttle go up to about 3000 rpm . the issue have me thinking that it was my IAC, but come to find out it was just my cruise control cable being too tight and not properly fitting. I had to improvise and actually been the metal piece that the cables are connected to and bring the cruise control cable closer to the throttle body so that it would read the engine out beyond 3000 rpm . other than that the product is great! My 2001 Bullitt Martian is running excellent!


    Year: 2001 Submodel: Bullitt Southern California

    Helpful (1)

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