Differentials
Maximize traction and ensure equal power delivery to both rear wheels with drag racing differentials and spools from Quarter-Max. We offer high-strength steel and aluminum full spools, limited-slip differentials, locker differentials, and differential hardware engineered to withstand extreme launch torque and deliver maximum straight-line stability down the track.
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Strange Ball Bearing Pinion Support, Fits 9" Ford Center Sections Used For Drag Racing
Strange Engineering
$395.00Strange Ball Bearing Pinion Support, Includes Bearings & Seal For 35 Spline Pinion, Fits 9″ Ford Center Sections Used For Drag Racing ApplicationDrag Race Use Only FeaturesForged 2024-T351 aluminum...STR-N1921$395.00 -
Strange Dana 60 35 Spline Detroit Locker, 3 Series
Strange Engineering
$993.00ApplicationDana 60 with 35 spline axlesUsing a gear ratio designed for 3 series carriers DescriptionEaton 35 Spline Detroit LockerA very strong mechanical differential FeaturesTorque Sensitive...STR-D3535$993.00 -
Strange Dana 60 35 Spline Detroit Locker, 5 Series
Strange Engineering
$993.00ApplicationDana 60 with 35 spline axlesUsing a gear ratio designed for 5 series carriers DescriptionEaton 35 Spline Detroit LockerA very strong mechanical differential FeaturesTorque Sensitive...STR-D3536$993.00 -
Strange Dana 60 35 Spline Trac-Lok, 3 Series
Strange Engineering
$795.00ApplicationDana 60 With 35 Spline AxlesUsing a gear ratio designed for 3 series carriers DescriptionSpicer 35 Spline Posi UnitOEM Trac-Loc replacement differentialPerfect for replacing a worn-out...STR-D3537$795.00 -
Strange Dana 60 35 Spline Trac-Lok, 5 Series
Strange Engineering
$875.00ApplicationDana 60 With 35 Spline AxlesUsing a gear ratio designed for 5 series carriers DescriptionSpicer 35 Spline Posi UnitOEM Trac-Loc replacement differentialPerfect for replacing a worn-out...STR-D3538$875.00 -
Strange Dana 60 35 Spline Truetrack, 3 Series
Strange Engineering
$839.00ApplicationDana 60 with 35 spline axlesUsing a gear ratio designed for 3 series carriers DescriptionEaton 35 Spline Detroit TruetracA helical gear differential that offers smooth power transfer...STR-D3533$839.00 -
Strange Dana 60 35 Spline Truetrack, 5 Series
Strange Engineering
$1,214.00ApplicationDana 60 with 35 spline axlesUsing a gear ratio designed for 5 series carriers DescriptionEaton 35 Spline Detroit TruetracA helical gear differential that offers smooth power transfer...STR-D3534$1,214.00 -
Strange Dana 60 Pinion Snubber
Strange Engineering
$85.00ApplicationDana 60 / Strange S60Housings cast with snubber mounting pad DescriptionLimits pinion risePrevents excessive leaf spring wrapSTR-D3520$85.00 -
Strange Differential Transport Case
Strange Engineering
$55.00Keep your differential clean and ready to go using Strange differential storage cases. They are shaped and molded to fit your differential solidly inside. The cases include straps and mounting...STR-P1900$55.00 -
Strange Eaton Detroit Locker Differential, Fits 8.8 Ford with 31 Spline Axles
Strange Engineering
$1,046.00ApplicationFord 8.8 with 31 spline axles DescriptionEaton 31 Spline Detroit LockerA very strong mechanical differential FeaturesTorque Sensitive Mechanical Unit• Automatic locking differential•...STR-N1865$1,046.00 -
Strange Eaton Detroit Locker Differential, Fits 9" Ford with 31 Spline Axles
Strange Engineering
$885.00ApplicationFord 9″ with 31 spline axles DescriptionEaton 31 Spline Detroit LockerA very strong mechanical differential FeaturesTorque Sensitive Mechanical Unit• Automatic locking differential•...STR-N1972$885.00 -
Strange Eaton Detroit Locker Differential, Fits 9" Ford with 35 Spline Axles
Strange Engineering
$857.00Eaton Detroit Locker Differential, Fits 9" Ford with 35 Spline Axles, Requires Aftermarket 3.250" Bore Case ApplicationFord 9″ with 35 spline axles RequirementsAftermarket 3.250″ bore caseAxles with...STR-N1971$857.00 -
Strange Eaton HD Clutch Style Differential - 2.73 & Up, Fits Chevy 8.5 10 Bolt Rear Ends with 28 Spline Axles
Strange Engineering
$751.00Eaton HD clutch GM 8.5 / 28 spline / 01-085728 /2.73-up ApplicationChevy 8.5 10 Bolt Bolt Rear EndUsing a 2.73 or numerically higher gear set NoteRequires special side bearings & races...STR-R5085$751.00 -
Strange Eaton HD Clutch Style Differential - 2.73 & Up, Fits Chevy 8.5 10 Bolt Rear Ends with 30 Spline Axles
Strange Engineering
$788.55Eaton HD clutch GM 8.5 / 30 spline / 01-085530 /2.73-up ApplicationChevy 8.5 10 Bolt Bolt Rear EndUsing a 2.73 or numerically higher gear set NoteRequires special side bearings & races...STR-R5083$788.55 -
Strange Eaton HD Clutch Style Differential - 3 Series, Fits Chevy 12 Bolt Passenger Car with 30 Spline Axles
Strange Engineering
$751.00Eaton HD clutch GM 12 blt car / 30 spline / 01-088530H / 3.90-down ApplicationChevy 12 Bolt Passenger CarUsing a gear set requiring a 3 series carrier DescriptionEaton Heavy Duty 30 Spline Posi...STR-R5087$751.00 -
Strange Eaton HD Clutch Style Differential - 4 Series, Fits Chevy 12 Bolt Passenger Car with 30 Spline Axles
Strange Engineering
$802.00Eaton HD clutch GM 12 blt car / 30 spline / 01-088530 / 4.11-up ApplicationChevy 12 Bolt Passenger CarUsing a gear set requiring a 4 series carrier DescriptionEaton Heavy Duty 30 Spline Posi UnitA...STR-R5086$802.00 -
Strange Eaton HD Clutch Style Differential, Fits 8.8 Ford with 31 Spline Axles
Strange Engineering
$751.00Ford 8.8 pro clutch 31 spl. Traction Lock ApplicationFord 8.8 with 31 spline axles DescriptionEaton Heavy Duty 31 Spline Posi UnitA perfect replacement for worn-out OEM clutch differentials...STR-N1869$751.00 -
Strange Eaton Truetrac Differential, Fits 9" Ford with 31 Spline Axles
Strange Engineering
$665.00ApplicationFord 9″ with 31 spline axles DescriptionEaton 31 Spline Detroit TruetracA helical gear differential that offers smooth power transfer FeaturesTorque Biased Mechanical Unit• Helical gear...STR-N1979$665.00 -
Strange Pinion Support Bearing Kit for Use with 28 Spline Pinion Shaft
Strange Engineering
$120.00Kit for N1922 / N2322 supports using 28 spline pinion ApplicationStrange pinion supports N1922 / N2322Using a 28 spline pinion shaft Using a 35 spline pinion shaft? – See N1924 Kit IncludesTimken®...STR-N1923$120.00 -
Strange Tapered Bearing Pinion Support, Fits 9" Ford Center Sections Used for Drag Racing
Strange Engineering
$150.00Tapered Bearing Pinion Support, Fits 9" Ford Center Sections Used for Drag Racing ApplicationDrag Race Use Only For Street or Street & Strip – See N1917P FeaturesForged 2024-T351 aluminum...STR-N1922$150.00 -
Strange US Gear Clutch Style Differential, Fits 9" Ford with 28 Spline Axles
Strange Engineering
$410.00ApplicationFord 9″ with 28 spline axles DescriptionUS Gear 28 Spline Posi UnitA perfect replacement for worn-out OEM clutch differentials NoteThis is intended as a factory replacementFor high output...STR-N1974$410.00