Home > GEARS & CENTERS > Assembled 9" Ford Center Sections > Drag Race Center Sections
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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 Xtreme Gear 4.11 ratio 9.5 Ford Drag Racing Center Section 3.25 Bolt Thru Case PRO Gear
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.

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
  • 4.11 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.


Xtreme Gear 4.29 ratio 9.5 Ford Drag Racing Center Section 3.25 Bolt Thru Case PRO Gear MOSER Drag Racing Center Section 9.5" Ford 3.81" Alum Bolt-Thru Case 9310 Gea US GEAR 4.57 ratio Center Section 9" Ford 3.25 Bolt Thru Case PRO Gear
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.


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
This 4:57 ratio Drag Race Center Section will be Assembled and set up for Drag Racing by Professionals.

  • Yukon Gear aluminum 3.25" carrier bearing thru-bolt case
  • US Gear Gear 9310 PRO Large Pinion 35 spline Ring & pinion,manufactured in the USA using only highest quality 9310 alloy steel.
  • PEM Racing Gear 35 spline spool (will not work with Mark William Axles) OR 40 spline spool
  • 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.