- Transmission & Drivetrain
- 9'' Ford Center Section
- Speedmaster Ford 9-in. Complete Third Member Assemblies
Ready-to-Install Third Member Assemblies
Speedmaster Ford 9-in. Complete Third Member Assemblies feature a Torque Worm 6-pinion limited-slip or full-spool differential in 28 and 31-spline axle shaft configurations. Third Member Assemblies are available in your choice of the most popular gear ratios and contain a new A356-T6 aluminum case that is assembled with all-new bearings, seals, heavy-duty ring and pinion, one-piece billet (through bolt) main caps,12-point bolts, u-joints/u-bolts, and precision-machined 1350 billet steel yoke. The 1350-series yoke is ideal for all forms of motorsports ranging from V8 SUPERCAR through Group 1 Drag Racing.
Show More
HD-style cases are rated at 850 HP but limited due to the size of the spline axle shaft.
Ultra HD-style cases are rated at 1200 HP but limited due to the size of the spline axle shaft.
LSD (Limited Slip Differential)
HD ( Heavy Duty)
Note: Each Third Member is to be used with a mineral-based oil of a range of EP140 Extreme pressure at a minimum. DO NOT USE split grades eg. 85/140 (these are not recommended). Failure to use the correct oil can result in gear damage, noise and may void your manufacturer's warranty.
Filter Results
AVAILABILITY
free shipping
PART TYPE
PART TYPE
BRAND
BRAND
RATING
Ring and Pinion Ratio
Part Category
Case Style
Part Fitment
Bearings Included
Pinion Support Bolt Quantity
Vendor Part Number
Yoke Included
Yoke Style
Case Material
Ring Gear Load Bolt
Standard Pinion Location
Carrier Type
Main Cap Retention Style
PRICE
28-Spline HD Third Member Assemblies
Speedmaster PCE215100102
Speedmaster Ford 9-in. LSD HD Center Section Third Member Assembly - 28 Spline [3.00:1 Ratio]
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100103
Speedmaster Ford 9-in. LSD HD Center Section Third Member Assembly - 28 Spline [3.25:1 Ratio]
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100104
Speedmaster Ford 9-in. LSD HD Center Section Third Member Assembly - 28 Spline [3.50:1 Ratio]
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100105
Speedmaster Ford 9-in. LSD HD Center Section Third Member Assembly - 28 Spline [3.70:1 Ratio]
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100106
Speedmaster Ford 9-in. LSD HD Center Section Third Member Assembly - 28 Spline [3.89:1 Ratio]
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100107
Speedmaster Ford 9-in. LSD HD Center Section Third Member Assembly - 28 Spline [4.11:1 Ratio]
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100108
Speedmaster Ford 9-in. LSD HD Center Section Third Member Assembly - 28 Spline [4.30:1 Ratio]
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100109
Speedmaster Ford 9-in. LSD HD Center Section Third Member Assembly - 28 Spline [4.56:1 Ratio]
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
Lowest Price Guarantee
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
Lowest Price Guarantee
Speedmaster PCE215100110
Speedmaster Ford 9-in. LSD HD Center Section Third Member Assembly - 28 Spline [4.88:1 Ratio]
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100111
Speedmaster Ford 9-in. LSD HD Center Section Third Member Assembly - 28 Spline [5.14:1 Ratio]
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100112
Speedmaster Ford 9-in. LSD HD Center Section Third Member Assembly - 28 Spline [5.43:1 Ratio]
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster Ford 9-in. Full-Spool HD Center Section Third Member Assembly - 28 Spline [3.89:1 Ratio]
Speedmaster PCE215100702
Speedmaster Ford 9-in. Full-Spool HD Center Section Third Member Assembly - 28 Spline [3.89:1 Ratio]
$1,365.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,365.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
28-Spline Ultra HD Third Member Assemblies
Speedmaster PCE215100202
Speedmaster Ford 9-in. LSD Ultra HD Center Section Third Member Assembly - 28 Spline [3.00:1 Ratio]
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100203
Speedmaster Ford 9-in. LSD Ultra HD Center Section Third Member Assembly - 28 Spline [3.25:1 Ratio]
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100204
Speedmaster Ford 9-in. LSD Ultra HD Center Section Third Member Assembly - 28 Spline [3.50:1 Ratio]
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100205
Speedmaster Ford 9-in. LSD Ultra HD Center Section Third Member Assembly - 28 Spline [3.70:1 Ratio]
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100206
Speedmaster Ford 9-in. LSD Ultra HD Center Section Third Member Assembly - 28 Spline [3.89:1 Ratio]
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100207
Speedmaster Ford 9-in. LSD Ultra HD Center Section Third Member Assembly - 28 Spline [4.11:1 Ratio]
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100208
Speedmaster Ford 9-in. LSD Ultra HD Center Section Third Member Assembly - 28 Spline [4.30:1 Ratio]
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100209
Speedmaster Ford 9-in. LSD Ultra HD Center Section Third Member Assembly - 28 Spline [4.56:1 Ratio]
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100210
Speedmaster Ford 9-in. LSD Ultra HD Center Section Third Member Assembly - 28 Spline [4.88:1 Ratio]
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100211
Speedmaster Ford 9-in. LSD Ultra HD Center Section Third Member Assembly - 28 Spline [5.14:1 Ratio]
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100212
Speedmaster Ford 9-in. LSD Ultra HD Center Section Third Member Assembly - 28 Spline [5.43:1 Ratio]
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,635.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
31-Spline HD Third Member Assemblies
Speedmaster PCE215100302
Speedmaster Ford 9-in. LSD HD Center Section Third Member Assembly - 31 Spline [3.00:1 Ratio]
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100303
Speedmaster Ford 9-in. LSD HD Center Section Third Member Assembly - 31 Spline [3.25:1 Ratio]
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100304
Speedmaster Ford 9-in. LSD HD Center Section Third Member Assembly - 31 Spline [3.50:1 Ratio]
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster 1-215-003-04
Speedmaster Ford 9-in. LSD TorqueWorm HD Complete Third Member Assembly - 31 Spline [3.70:1 Ratio]
$1,635.00
Estimated to ship direct from manufacturer in 24hrs
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100305
Speedmaster Ford 9-in. LSD HD Center Section Third Member Assembly - 31 Spline [3.70:1 Ratio]
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
Lowest Price Guarantee
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
Lowest Price Guarantee
Speedmaster PCE215100306
Speedmaster Ford 9-in. LSD HD Center Section Third Member Assembly - 31 Spline [3.89:1 Ratio]
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,575.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE215100308
Speedmaster Ford 9-in. LSD HD Center Section Third Member Assembly - 31 Spline [4.30:1 Ratio]
$1,590.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,590.00
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee