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  • Xtreme Light Weight Gear
  • Xtreme Light Weight Gear
  • Xtreme Light Weight Gear
  • Xtreme Light Weight Gear

Xtreme Light Weight Gear

Product Description

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. 
Standard LW Ring Gear   vs.   Xtreme LW Ring Gear
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
PRO 9310 LW Ring & Pinions for DRAG RACING
PRO gear sets are manufactured from the finest heat treated 9310 steel
PRO 9310 LW Sets Big Pinion 35 spline; 4.11, 4.27, 4.57 ratios
For Ford 9" and 9.5" 
Required Special Offset Steel Spools
8620 LW Ring & Pinions for Racing and High Performance
Xtreme LW gear sets are USA manufactured from strong 8620 for performance and racing
Ratios Available 4.11 thru 6.50
Required Special Offset Steel Spools
Required Special Offset Steel Spools
Available in 28, 31, 35 and 40 spline
•1.781" ID Bearing
•2.00" ID Bearing
•40 spline only for 9.5" Ford  2.25" ID Bearing
All New Assembled Center Section for 9" Ford with Xtreme Gear lightweight ring & pinion and offset spool
All New PEM nodular iron case and pinion support
•28 or 31 spline
•1310 Forged steel yoke
•Ratios available 4.11 thru 6.50
Options available:
•Alum or Iron Daytona Pinion Support
•1350 Forged Yoke
•Xtreme Locker for Circle Track and Competition
•REM® Finish ring and pinion, bearings and races
•Additional Lightening of Ring Gear for even less rotating weight


Xtreme Offset Lockers are specifically designed for the Xtreme Offset ring & pinions and provide additional weight savings. Internally they are designed to accept all the same components as used in the current Detroit Locker™ so as to minimize investment costs. 
Only 31 spline available:
187N/178LW  - locker assy with 
2.00" journals - fits 3.25" aftermarket case
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 9" Ford or aftermarket 9" Ford cases.


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