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F9 Trac Loc Unit ( positraction ) 28 or 31 spline Mini Spool Center Section 9" Ford Assembled for Racing Mini Spool Center Section 9" Ford Deeper Ratios Assembled for Racing
F9 Trac Loc Unit ( positraction ) 28 or 31 spline
Our Price: $329.00
Sale Price: $369.00
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Ford 9" Trac Loc Clutch Style Posi
  • 1.78" bearing journal size
  • choose 28 or 31 axle spline
  • forged hat much stronger than OEM
  • great for street driving and high performance.
  • assembled in our plant at St. Clair, MO
  • clutch discs soaked in friction modifier before assembly
  • USA manufactured clutch discs
 		Assembled Center Section for 9" Ford with PEM ring & pinionl, PEM new nodular iron case and pinion support, choice of yoke (1310 short or 1330 short series).

SPECIFY Your axle Spline
SPECIFY Yoke wanted
SPECIFY Gear Ratio
Ratios Available 3.50, 3.70, 3.89, 4.11, 4.30, 4,56, 4.71, 4.86, 5.00, 5.14, 5.29, 5.43, 5.67, 5.83, 6.00, 6.20, 6.33, 6.50.

THIS IS NOT A STREET CENTER SECTION. AXLES WILL BE LOCKED TOGETHER.

With new PEM nodular iron case, pinion support, yoke, ring & pinion and built with premium bearing kit. Only used part is the carrier for the ring gear.

This is the best center section for Sport Modifieds that have to run a standard weight ring & pinion and a mini-spool. Ring & Pinion Backlash set for Circle Track Racing. The Center Section will be Assembled and set up for Circle Track Racing by Professionals.


 		Assembled Center Section for 9" Ford with Deep Ratio PEM ring & pinion, PEM new nodular iron case and pinion support, choice of yoke (1310 short or 1330 short series).

SPECIFY Your axle Spline
SPECIFY Yoke wanted
SPECIFY Gear Ratio
Ratios Available 6.66, 6.83 and 7.00 ratios.

THIS IS NOT A STREET CENTER SECTION. AXLES WILL BE LOCKED TOGETHER.

With new PEM nodular iron case, pinion support, yoke, ring & pinion and built with premium bearing kit.
Only used part is the carrier for the ring gear.

Ring & Pinion Backlash set for Circle Track Racing.
The Center Section will be Assembled and set up for Circle Track Racing by Professionals.
Full Spool Center Section 31 spline 9" Ford Assemble Full Spool Center Section 28 spline 9" Ford Assemble Lightened Full Spool Center Section 31 spline 9" Ford Assembled
Assembled Center Section for 9" Ford with PEM ring & pinion and 31 spline steel spool, PEM new nodular iron case and pinion support, 31 spline spool, choice of yoke (1310 short or 1330 short series)
Alll New Unit, Great for Circle Track!
Ratios Available 3.50, 3.70, 3.89, 4.11, 4.30, 4,57, 4.71, 4.86, 5.00, 5.14, 5.29, 5.43, 5.67, 5.83, 6.00, 6.20, 6.33, 6.50


 		Assembled Center Section for 9" Ford with PEM ring & pinion, PEM new nodular iron case and pinion support, 28 spline standard steel spool, choice of yoke (1310 short or 1330 short series)

ALL NEW UNIT!

Ratios Available 3.50, 3.70, 3.89, 4.11, 4.30, 4,57, 4.71, 4.86, 5.00, 5.14, 5.29, 5.43, 5.67, 5.83, 6.00, 6.20, 6.33, 6.50.


 		Assembled Center Section for 9" Ford with PEM Lightened ring & pinion and steel 31 spline spool, PEM new nodular iron case and pinion support, 31 spline spool, choice of yoke (1310 short or 1330 short series)

ALL NEW UNIT!

Lightened Ratios Available 4.11, 4.30, 4,57, 4.71, 4.86, 5.00, 5.14, 5.29, 5.43, 5.67, 5.83, 6.00, 6.20, 6.33, 6.50.


Deeper Ratio Full Spool Center Section 31 spline 9" Ford Assembled Deeper Ratio Full Spool Center Section 28 spline 9" Ford Assemble Xtreme Gear Center Section 31 spline Full Spool 9" Ford Assembled 31 spline
Deeper Ratio Assembled Center Section for 9" Ford with PEM lightweight ring & pinion and lite steel 31 spline spool, PEM new nodular iron case and Iron Daytona pinion support, 31 spline spool, choice of yoke (1310 short or 1330 short series)

ALL NEW UNIT
updated in 2024 to include the stronger Iron Daytona pinioin support

Ratios Available 6.66, 6.83, 7.00. Choose from the drop down menu


 		Deeper Ratio Assembled Center Section for 9" Ford with PEM lightweight ring & pinion and lite steel 31 spline spool, PEM new nodular iron case and Iron Daytona pinion support, 28 spline spool, choice of yoke (1310 short or 1330 short series).

ALL NEW UNIT


Ratios Available 6.66, 6.83, 7.00. Choose from the drop down menu.

 		Assembled Center Section for 9" Ford with Xtreme Gear lightweight ring & pinion and offset spool, PEM nodular iron case & pinion support, 31 spline spool, 1310 Forged steel yoke.
ALL NEW UNIT! Ring & Pinion manufactured in the USA

Ratios Available 4.11, 4.30, 4,57, 4.63, 4.71, 4.86, 5.00, 5.14, 5.29, 5.43, 6.20, 6.33, 6.50.
Special Ratio Full Spool Center Section 9" Ford Assembly 4.29 ratio Xtreme Gear Drag Racing Center Section 9" Ford Brute Nodular Iron PRO Gear Xtreme Gear 4.29 ratio Drag Racing Center Section 9" Ford 3.25 Bolt Thru Case PRO Gear
Assembled Center Section for 9" Ford with PEM standard weight ring & pinion and steel 31 spline spool, PEM new nodular iron case and pinion support, CHOOSE 28 or 31 spline spool, choice of yoke (1310 short or 1330 short series)

ALL NEW UNIT

Special Ratios Available 5.37, 5.50, 5.57, 5.75 and 6.43.



 		This 4.29 ratio Xtreme Gear Center Section will be Assembled and set up for Drag Racing by Professionals.

  • PEM "Brute" Nodular Iron 36 lb. HD Case with 3.25" OD Carrier Bearings
  • Xtreme Gear 9310 PRO Large Pinion 35 spline Ring & pinion,manufactured in the USA using only highest quality 9310 alloy steel.
  • 4.29 ratio
  • Xtreme Gear 35 spline spool (will not work with Mark William Axles).
  • Large 35 spline Aluminum Purple 5 bolt pinion support with large bearings for strength.
  • Forged Steel 35 spline 1350 Yoke.
  • 3.25 inch OD Carrier Bearing size x 2.00" ID bearing surface. Bearings will be Premium Koyo or Timken Brand.
  • U-bolts and housing gasket included.



 		This Xtreme Gear Center Section will be Assembled and set up for Drag Racing by Professionals.

  • Yukon Gear aluminum 3.25" carrier bearing thru-bolt case
  • Xtreme Gear 9310 PRO Large Pinion 35 spline Ring & pinion,manufactured in the USA using only highest quality 9310 alloy steel.
  • 4.29 ratio
  • Xtreme Gear 35 spline spool (will not work with Mark William Axles).
  • Large 35 spline Aluminum 10 bolt pinion support with large bearings for strength.
  • Forged Steel 35 spline 1350 Yoke.
  • 3.25 inch OD Carrier Bearing size x 2.00" ID bearing surface. Bearings will be Premium Koyo or Timken Brand.
  • U-bolts and housing gasket included.
Eaton True Trac Nodular Iron Ford 9 inch Center Section Xtreme Gear 4.29 ratio 9.5 Ford Drag Racing Center Section 3.25 Bolt Thru Case PRO Gear 35 spline Eaton True Trac Nodular Iron Ford 9 inch Center Section
All New Unit.PEM Nodular Iron Ford 9 inch Center Section
with Eaton True Trac (gear unit), Specify if for 28 or 31 spline axles.
Specify US Gear ring & pinion ratio wanted. Assembled.
 		This 35 spline Xtreme Gear Center Section will be Assembled and set up for Drag Racing by Professionals.

4.11 ratio 9.5" Ford 9310 PRO ring & pinion in the 3.25 carrier bearing case

  • Yukon Gear aluminum 3.25" carrier bearing thru-bolt case.
  • 4.29 ration 9.5" Ford Xtreme Gear 9310 PRO Large Pinion 35 spline Ring & pinion,manufactured in the USA using only highest quality 9310 alloy steel.
  • Xtreme Gear 35 spline spool (will not work with Mark William Axles).
  • Large 35 spline Aluminum 10 bolt pinion support with large bearings for strength.
  • Forged Steel 35 spline 1350 Yoke.
  • 3.25 inch OD Carrier Bearing size x 2.00" ID bearing surface. Bearings will be Premium Koyo or Timken Brand.
  • U-bolts and housing gasket included
Make sure this big 9.5" ring gear will clear your rear end housing center.
All New Unit.PEM Nodular Iron Ford 9 inch Center Section
with 35 spline Eaton True Trac (gear unit), Specify US Gear ring & pinion.
Has Daytona support and 1360 series forged steel yoke. Assembled
MOSER Drag Racing Center Section 9.5" Ford 3.81" Alum Bolt-Thru Case 9310 Gea

MOSER aluminum 3.81" thru-bolt case with Xtreme Gear / Precision Gear 9310 PRO 35 spline 9.5" Ford Ring & pinion and Steel Spool.

  • 9310 PRO Ring and pinion is manufactured in the USA using only highest quality 9310 alloy steel.
  • This Center Section will be Assembled and set up for Drag Racing by Professionals.
  • UPDATED 3.21.2022 Only available in a 9.5" 40 spline spool with 2.25"journals