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Full Service authorized TREMEC Elite Dealer including repair center and Warranty repair.  

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"Create Your Own"
Classic Mustang TKO Big Block Conversion Kit


  • Big Block 390/427/428FE, 429, 460

  • 300-650hp

  • Automatic or 3/4 speed conversion

  • Everything from the flywheel to the driveshaft

  • Simplified Ordering

  • Order only what you need

  • Add to the cart at the bottom in one step

  • Most popular items are marked

Follow the steps below to get everything needed (less what you already have) for a TKO swap for your classic 1967-73 Mustang:

  Free shipping **

**When ordered as a custom package from this page valued over $3000
(prorated shipping will be added for kits under $3000)

Mustang BB TKO Conversion Kit
"Create Your Own"

Step 1 - Select Model Year Mustang 1967-1973


Model Year:    **Important**

  Indicates most popular items resulting in a Complete kit 


Step 2 - Select TKO Transmission


     None - Customer supplied TKO

TKO-600 with 2.87 1st, .64od  $2595

     TKO-600 with 2.87 1st, .80od  $2595

     TKO-500 with 3.27 1st, .68od  $2595




Step 3 - Select Bell Housing Components


  None - Customer supplied bell housing with block plate
QuickTime RM-6056 FE TKO Steel bell housing with block plate  (std length input shaft) $721.95
  QuickTime RM-6057 FE TKO Steel Scattershield with block plate (shortened input shaft) $721.95
  QuickTime RM-8010 429/460 Steel Scattershield with block plate  $708.95


Cable style clutch lever   $28.00

If keeping existing 4 speed bell select from the following:

   Spacer plate (MD-401-2108)  $160.00



Step 4 - Clutch Actuation


Mechanical style  (user supplied) or None


Clutch Cable Kit  $259.00
   (not compatible with 4 speed bell housing)

      Hydraulic Master & Slave (select type below)

Tilton Slip-on Internal style slave  steel braided line, & LF Series Master   $583.50
( see Hydraulics page for more information)



Step 5 - Select Flywheel


390/427 FE Billet steel  0 balance  $350
    428 FE Billet steel 28oz balance  $395
    429/460 Billet steel 0 balance  $395

OEM Flywheel bolts   $17.00
    ARP Flywheel bolts   $21.00



Step 6 - Select Clutch


NOTE: Clutch kits come complete with throw-out bearing, pilot bearing and alignment tool.


--------10 Spline kits for TKO-500
    Kevlar/Kevlar Clutch  11"  10 spline   $495
    Kevlar/Organic Clutch  11"  10 spline   $395

--------26 Spline kits for TKO-600
Kevlar/Kevlar Clutch  11"  26 spline   $525
    Kevlar/Organic Clutch  11"  26 spline   $410


See Clutch page for more information and other options

Pressure plate bolts   $12.00
    ARP Pressure plate bolts   $19.50



Step 7 - Select Shift Lever Options


(see Catalog/Shifters for other options)

  Stock appearance shift lever   $139.00
  Stock appearance shift knob  $39.00
  Stock boot and Chrome Trim Ring (69-70)  $49.00
  Stock boot and Chrome Trim Ring (65-68)  $23.00

HURST Chrome lever   $90.50
>HURST shift boot   $26.00
    HURST shift ball 5 sp Black   $27.00
>HURST shift ball 5 sp White   $27.00
    HURST T-handle   $32.50



Step 8 - Crossmember


>TKO Crossmember  $149.00 (67-73 only, TKO in 65-66 not recommended, requires serious tunnel modifications)
>Rubber Mount   $19.00



Step 9 - Other Items


Speedo Cable  $26
Speedo Gear Clip  $2.95
Speedo Gear  $9.50
  <<--Select Speedo Gear (select any and enter rear and tire info below and we'll calculate correct gear)

    31-Spline Yoke  $85.00 (see catalog for complete Driveshaft with yoke)
Hardware mounting kit  $15.00
         (TKO bell to engine, TKO to bell, and other req. HW)
Reverse Switch pigtail  $19.50
3 qts Amsoil Synchromesh  $38.85

Select year clutch pedal, if needed...

67-68 pedal +$160
69-70 pedal +$160
71-73 pedal +$160

Pedal Pads, trim rings, and roller bearing kits available in Catalog...



Step 10 - Special Remarks & info

Enter any special requests or information we should know to validate your package.  Also, let us know about your car.  This will help us validate your order and calculate special parts such as the speedo gear.

(i-6, 289, 302, 390, 428, etc)
Rear end ratio (3.35, 3.55, etc)
Tire size (245x55x16)




TREMEC TKO-500/600


Classic TKO Upgrades the easy way... 

Modern Driveline is the only company that offerscomplete conversion kits for your Classic Mustang, which are also customizable to your needs.

The packages are designed so that you have everything you need to install a five speed over the weekend. The kits are well laid out and stocked with high quality components.

If you can change a clutch, you can install a five speed this weekend!  Best of all, conversion kits come with lots of technical advice & support!


Tech Help?...

Be sure to read the five speed conversion articles in the Tech Section.

The easiest way to upgrade your Classic Mustang to a five speed is to order a conversion package from Modern Driveline, the leader in Ford conversions.



Personalized Service...

Need help deciding the best way to go with your project?

Give us a call for a detailed quote specific to your application.