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Key Specs

Differential TypeLimited Slip
Gear Ratio3.70:1
Axle Splines28
Yoke U-Joint Series1310
Ring Gear WeightStandard

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Ineligible for Return

Contains items that cannot be returned

Speedway Motors 91048345-28-370 Details

Speedway Motors now offers you a 9" Ford street 3rd member for your street rod. We reclaim genuine Ford 9" housings, clean, inspect and install all new components. All bearings, seals, 1310 series yoke and ring & pinion are new!

These Ford 9" 3rd member assemblies feature new Pro Gears ring & pinion, choice of 3.50, 3.70, 3.89, 4.11 or 4.56, Currie 9-Plus limited slip differential, 28 or 31 spline. Shipped in handy plastic carrying case. Assembled by professionals. Currie Differential Tech Bulletin (PDF)

 

910-48345 Instructions (PDF)

This third member is garage sale priced because it appears to have been bolted on and returned. 

 

NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

Speedway Motors 91048345-28-370 Specifications

KEY SPECS
MFG. Part #91048345-28-370
BrandSpeedway Motors
Differential TypeLimited Slip
Gear Ratio3.70:1
Axle Splines28
Yoke U-Joint Series1310
Ring Gear WeightStandard
GENERAL
Housing MaterialCast-Iron
Yoke Width3-7/32"
U-Joint Cap Size1-1/16"
Weight78.55 lbs.
Sold in QuantityEach
Gear MaterialSteel