Looking for a Competitive EDGE with your 9" Ford?
Rotating Weight Savings for Faster Acceleration & Quicker Times

Sample 8620  Ring Gear Weights
Xtreme 5.67 ring gear weighs         9.0  lbs.
LW PEM 5.67 ring gear weighs          11.65 lbs.
Standard PEM 5.67 ring gear weighs  12.95 lbs

Acceleration is improved with weight reduction in the drivetrain.  The larger the
diameter of the part the more weight reduction helps.  Your flywheel and rear ring gear are the largest diameter parts in your drivetrain and will benefit the most from weight reduction.
Assembled Center Section for 9" Ford with Xtreme Gear lightweight ring & pinion and offset spool, 28 or 31 spline, 1310 Forged steel yoke.
Ratios available 4.11 thru 6.50.
CSFSXLW   $ 724.00

Options available
  • Alum or Iron Daytona Pinion Support
  • 35 spline spool
  • REM ® Finish ring & pinion
  • 1350 Forged Yoke
PRO 9310 LW Ring & Pinions for DRAG RACING
PRO gear sets are manufactured from the finest heat treated 9310 steel. 

  9”  Ford PRO 9310 LW Sets Big Pinion 35 spline; 4.11, 4.27, 4.57 ratios.  $ 399.95

9.5” Ford PRO 9310 LW Sets Big Pinion 35 spline; 4.11, 4.27, 4.57 ratios. $ 549.95
Required Special Offset Steel Spools are available in 28, 31, 35 & 40 spline for 9" Ford
and 40 spline for 9.5" Ford.
These are absolutely the Lightest Ford ring & pinions available!

Unmatched durability.   Highest Quality.
Up to Six pounds lighter than the competition.

These install in stock Ford 9" or aftermarket 9" Ford cases.
Required Special Offset Steel Spools
are available in 28, 31, 35 & 40 spline for 9" Ford

F9/SPL28LW  ..  $ 119.95
F9/SPL31LW  ..  $ 119.95
    above for 1.781" ID Bearing

    below for 2.00: ID Bearing
F9/SPL35LW  ..  $ 149.95
F9/SPL40LW  ..  $ 189.95

40 spline only for 9.5" Ford.
F95/SPL40W  .. $ 209.95 
Standard LW Ring Gear   vs.   Xtreme LW Ring Gear
8620 LW Ring & Pinions for Racing & High Performance
Xtreme LW gear sets are manufactured from strong 8620 for performance and racing.

Required Special Offset Steel Spools are available in 28, 31, 35 & 40 spline for 9" Ford.

  9”  Ford LW Sets with 28 spline pinion  $ 229.95   

Ratios Available 4.11, 4.30, 4,57, 4.63, 4.71, 4.86, 5.00, 5.14, 5.29, 5.43, 5.67, 5.83, 6.00, 6.20, 6.33, 6.50.
Xtreme Offset Spool Spline Dimensions
click here for .pdf file
No Special Parts Needed except the Xtreme LW ring & pinion and special offset spool.  All other parts are the same as 9" Ford.

These install in stock Ford 9" or aftermarket 9" Ford cases.
REM is a registered trademark of REM Chemicals Inc. registered in the U.S. Patent and Trademark Office.

Click Tabs below for Detailed Product Information
Reduced Prices for 2012!