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.
-
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 bodyClear anodized finishMachined for front...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 Mechanical Unit• Automatic locking differential•...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 Mechanical Unit• Automatic locking differential•...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 unit NoteThis is intended as a factory replacementFor...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 unit NoteThis is intended as a factory replacementFor...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 FeaturesTorque Biased Mechanical Unit• Helical gear...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 FeaturesTorque Biased Mechanical Unit• Helical gear...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 hardware to keep the two halves sealed together.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• Clutchless & maintenance free• Strong...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• Clutchless & maintenance free•...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 30 degree pressure angle DescriptionEaton...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 DescriptionEaton Heavy Duty 28 Spline Posi UnitA perfect...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 DescriptionEaton Heavy Duty 30 Spline Posi UnitA perfect...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 UnitA perfect replacement for worn-out OEM clutch...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 perfect replacement for worn-out OEM clutch...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 Features• Heavy duty casting• Carbon clutch...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 design• Smooth, automatic...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® front pinion bearing – N1930Adjustable...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 bodyClear anodized finishMachined for oversized...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 vehicles, consider larger axles &...STR-N1974$410.00