RPM OUTLET - WE TAKE THE GUESSWORK OUT OF PERFORMANCE PARTS! ®
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DYNO PROVEN TO PROVIDE THE LARGEST HORSEPOWER GAINS FOR THE 2009-10 SHELBY GT500
Click-Here for more info on  the new MOTOBLUE High-Boost Drive KitSTRATEGY

In keeping with our goal of providing our customers with the best possible value, we have tested a large group of components specifically designed for the Ford Shelby GT500.

We have invested many hours evaluating and refining each of the Shelby GT500 products on our chassis “dyno”, to ensure that we could develop as much power as possible, as safely as possible. End result is our now available "Dyno Tuned Options".

Our site menu on the left side of this page, lists the clear winners when it comes to “performance vs. dollar” value. Please check back often as we are always developing new ways to create more horsepower.


Clcik Here for our SHOP BY PACKAGE Dyno Tuned Options page.


Ford Racing Axle Girdle
(2005-10 Ford Mustang GT/ 2007-10 Shelby GT500)

We are proud to announce an exciting new product that works great And is priced right! RPM now offers Ford Racing Axle Girdles. This innovative rear end girdle is designed with performance and ease of installation in mind.

Ford Racing Axle Girdle keep bearings and ring gears in place. Also, the incorporated, adjustable swivel "feet" load bolts prevent bearing cap movement and breakage, and ensure proper pinion depth and backlash.

Ford Racing Axle Girdle are made of Lightweight 356T6 aluminum casting, heat treated to T6 specifications and are machined using a 3 step CNC process ensuring accuracy and quality. Each cover is hand deburred and inspected for the utmost in fit and finish, hand assembled and packaged.

Ford Racing Axle Girdle incorporate a Fill Port and a Drain Port for ease of servicing with an increase fluid capacity approx. 1/2 pint lowering rear end operating temperature an average of 15 degrees.

Complete with mountings hardware, reusable gasket and everything needed to do the job right. Installs in minutes with simple hand tools

    Features:

  • Lightweight 356T6 aircraft grade aluminum, heat treated to T6 specifications
  • 3 step CNC process, which ensures accuracy and quality
  • incorporate a Fill Port and a Drain Port for ease of servicing
  • All Girdles incorporate 2 load bolts with swivel "feet" for supporting the bearing caps
  • Mountings hardware/reusable gasket
  • All Girdles show a decrease in operating temperature, average of 15 degrees
  • Easy 30 minute installation
  • Everything needed to do the job right
Ford Racing
Rear End Girdle


$ 188.00

T/A Performance
Bearing Cap Std Kits


$ 30.00

Ultra Seal
Rear-End Cover Gasket


$ 7.00

Ford Racing 4-ounce bottle friction modifier

$ 12.00





FORD RACING - MOTIVE GEAR
The best of both worlds, you make the choice!

Mustang V-8 Series 8.8" Ring and Pinion Gear Sets

These Ford Racing gear sets will fit all GT and Cobra models from 1979 to 2009+. Ford Racing gear sets feature a strong forged construction for Race or Road-Race use. Ford Racing new manufacturing technology utilizes a Face Hob Process which features a single pass pinion tooth machining operation compared to a conventional three pass process for machining. CNC cut and lapped gear teeth.

Ford Racing gear sets includes basic accessories, such as shim kit. Ford Racing now offers a Ring & Pinion Installation bearing kit that is recommended by most installers, especially on cars with mileage.

FYI: All Ford rear ends, 8.8 inch. gears will fit all Mustangs with the exception of V6 models which have the 7.5 inch rear end.

These Motive Gears will fit all GT and Cobra models from 1979 to 2009+. Motive uses these gears in high horsepower racecars with outstanding results. Master bearing kit recommended by most installers for Motive Gears, especially on cars with mileage.

It would also be a great time to have your Trac-Lok rebuilt at the same time as your gears are being installed, see below for details.

FYI: Motive Performance gears are made with an extra strong race quality alloy. They also DO NOT have a reputation such as Richmond for "gear whine".

Gear Ratio + Tire Height=RPM: Click-Here for Gear Ratio Chart. This is a great tool when deciding what gear ratio would be best for your application.

Ford Racing
3.73 ratio, Gear set


$ 175.00

Ford Racing
4.10 ratio, Gear set


$ 175.00

Motive Gear
3.73 ratio, Gear set


$ 145.00

Motive Gear
4.10 ratio, Gear set


$ 145.00

Rear Differential Gear Accessories
    FORD RACING Posi-Traction (Traction Lok) ADDITIVE

  • 4-Ounce Friction Modifie additive
  • For use in clutch-type limited slip differentials.
  • Contains special friction modifiers to eliminate chatter and excessive wear.
$ 12.00

    8.8" TRACTION-LOK REBUILD KIT

  • Kit includes clutch pack, shims


  • 4-Ounce friction modifier


  • Instal instruction sheet


  • Fits all 8.8" Traction-Lok differentials
click-here for BUY NOW link to order

$ 60.00

    8.8" CARBON DISC TRACTION-LOK REBUILD KIT

  • Kit includes carbon fiber clutch pack


  • Shims, S-spring


  • Instal instruction sheet


  • Fits all 8.8" Traction-Lok differentials
click-here for BUY NOW link to order

$ 113.00

      FORD RACING SVT DIFFERENTIAL BEARING KIT: (Timkin brg.)
  • Front & Rear High-torque pinion bearing used in 2007-09 SVT Mustang and 2008 Special Edition Mustang
  • Carrier Shims
  • Ring Gear Bolts
  • Differential Bearings
  • Brush, Gear Marking compound
  • Crush sleeve, Pinion nut, Pinion Seal
  • Loctite and cover gasket or rtv
  • $160.00
          FORD RACING DIFFERENTIAL BEARING KIT: (Timkin brg.)
    • Front & Rear Pinion Bearing
    • Pinion Seal
    • Carrier Bearings
  • Brush, Gear Marking compound
  • Crush sleeve, Pinion nut
  • Loctite and cover gasket or rtv
  • $ 90.00
          MOTIVE GEAR MASTER DIFFERENTIAL BEARING KIT: (Timkin brg.)
    • Front & Rear Pinion Bearing
    • Carrier Bearings
    • Carrier Shims
    • Differential Bearings
  • Ring Gear Bolts
  • Brush, Gear Marking compound
  • Crush sleeve, Pinion nut, Pinion Seal
  • Loctite and cover gasket or rtv
  • $130.00
          MOTIVE GEAR DIFFERENTIAL BEARING KIT: (Timkin brg.)
    • Front & Rear Pinion Bearing
    • Pinion Seal
    • Brush, Gear Marking compound
  • Replacment Crush sleeve
  • Replacement Pinion nut
  • Loctite and cover gasket or rtv
  • $ 80.00
      8.8" CHROME REAR-END COVER

    • Kit includes Bolts, Gasket


    • Reusable does not use sealer


    • Instal instruction sheet


    • Fits all 8.8" Traction-Lok differentials
    click-here for BUY NOW link to order

    $ 15.00

      8.8" REUSABLE DIFFERENTIAL GASKET

    • This is a must when installing new gears!


    • Reusable does not use sealer


    • Instal instruction sheet


    • Fits all 8.8" Traction-Lok differentials
    click-here for BUY NOW link to order

    $ 7.00



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