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Filthy Motorsports: Store > Eaton TrueTrac
Eaton Detroit TrueTrac lockers are Torsen style limited slip differentials that use helical gears instead of clutch packs to offer automatic torque biased traction to both drive wheels at all times. The ingenious design limits the speed of each wheel to 1.5 times faster or slower than the opposite wheel to provide full-time traction while still allowing for wheel speed differentiation in turns. The heavy duty all-gear design not only makes for quite and smooth operation, it requires no maintenance and will never weaken or wear out like a typical limited slip differential.



[ Eaton Detroit TrueTrac Application Chart (PDF) ]



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Eaton Detroit TrueTrac
Dana 44 Eaton Detroit TrueTrac | Front 30 Spline (3.92 & Up)
List Price: $590.35
Your Price: $509.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
GM 12 Bolt Truck / GM 12T Eaton Detroit TrueTrac | 30 Spline (3.73 & Up)
List Price: $596.58
Your Price: $519.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Land Rover Type Eaton Detroit TrueTrac | 10 Spline Rear (3.54)
List Price: $590.35
Your Price: $509.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Land Rover Type Eaton Detroit TrueTrac | 10 Spline Front (3.54)
List Price: $590.35
Your Price: $509.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
GM 7.5" 10 Bolt Eaton Detroit TrueTrac | 26 Spline C-Clip (3.23 & Up)
List Price: $510.29
Your Price: $449.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
GM 7.5" 10 Bolt Eaton Detroit TrueTrac | 26 Spline C-Clip (3.08 & Down)
List Price: $510.29
Your Price: $449.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
GM 7.5" / 7.625" Eaton Detroit TrueTrac | 28 Spline (3.23 & Up)
List Price: $510.29
Your Price: $449.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
GM 8.5" Eaton Detroit TrueTrac | 28 Spline C-Clip (2.73 & Up)
List Price: $550.32
Your Price: $479.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
GM 8.5" Eaton Detroit TrueTrac | 28 Spline (2.73 & Up)
List Price: $550.32
Your Price: $479.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
GM 8.5" / 8.6" Eaton Detroit TrueTrac | 30 Spline C-Clip (2.73 & Up)
List Price: $550.32
Your Price: $479.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
GM 8.0" Eaton Detroit TrueTrac | 28 Spline C-Clip
List Price: $547.04
Your Price: $479.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
GM 9.5" 14 Bolt Eaton Detroit TrueTrac | 33 Spline C-Clip
List Price: $650.46
Your Price: $559.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
GM 12 Bolt Passenger / GM 12P Eaton Detroit TrueTrac | 30 Spline (3.08 - 3.90)
List Price: $570.40
Your Price: $499.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
GM 12 Bolt Passenger / GM 12P Eaton Detroit TrueTrac | 33 Spline (4.10 & Up)
List Price: $590.35
Your Price: $509.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
GM 12 Bolt Passenger / GM 12P Eaton Detroit TrueTrac | 33 Spline (3.08 - 3.90)
List Price: $590.35
Your Price: $509.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Land Rover Type Eaton Detroit TrueTrac | 24 Spline Rear (3.54)
List Price: $590.35
Your Price: $509.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Land Rover Type Eaton Detroit TrueTrac | 24 Spline Front (3.54)
List Price: $590.35
Your Price: $509.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Salisbury Defender Eaton Detroit TrueTrac | 24 Spline Rear (4.10 & Down)
List Price: $731.93
Your Price: $619.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Chrysler 8.25" Eaton Detroit TrueTrac | 29 Spline (2.73 & Up)
List Price: $713.67
Your Price: $609.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Chrysler 8.75" Eaton Detroit TrueTrac | 33 Spline (2.76 - 4.56)
List Price: $670.41
Your Price: $569.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Chrysler 8.75" Eaton Detroit TrueTrac | 30 Spline (2.76 - 4.56)
List Price: $690.49
Your Price: $589.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Chrysler 9.25" Eaton Detroit TrueTrac | 31 Spline (2.76 - 4.56)
List Price: $690.49
Your Price: $589.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
M20 / AMC Model 20 Eaton Detroit TrueTrac | Front 29 Spline (2.73 & Down)
List Price: $681.10
Your Price: $579.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
M20 / AMC Model 20 Eaton Detroit TrueTrac | Rear 29 Spline (2.73 & Down)
List Price: $690.49
Your Price: $589.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
M20 / AMC Model 20 Eaton Detroit TrueTrac | Rear 29 Spline (3.08 & Up)
List Price: $690.49
Your Price: $589.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Ford 7.5" Eaton Detroit TrueTrac 912A316 | 28 Spline
List Price: $613.48
Your Price: $529.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Ford 8" Eaton Detroit TrueTrac | 28 Spline (3.25 & Up)
List Price: $671.59
Your Price: $579.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Ford 8.8" Eaton Detroit TrueTrac | 31 Spline
List Price: $590.35
Your Price: $509.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Ford 8.8" Eaton Detroit TrueTrac | 28 Spline
List Price: $590.35
Your Price: $509.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Ford 8.8" IFS Eaton Detroit TrueTrac | Front 28 Spline
List Price: $590.35
Your Price: $509.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Ford 9 Inch Eaton Detroit TrueTrac | 28 Spline (3.25 & Up)
List Price: $628.15
Your Price: $539.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Ford 9 Inch Eaton Detroit TrueTrac | 31 Spline (3.25 & Up)
List Price: $628.15
Your Price: $539.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Ford 9.75" Eaton Detroit TrueTrac | 34 Spline
List Price: $650.46
Your Price: $559.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Ford Sterling 10.25" & 10.5" Eaton Detroit TrueTrac | 35 Spline
List Price: $730.52
Your Price: $619.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
AAM 9.25" IFS Eaton Detroit TrueTrac | 33 Spline (Dodge Only)
List Price: $690.47
Your Price: $589.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
GM 11.5" Eaton Detroit TrueTrac | 30 Spline
List Price: $1,085.61
Your Price: $899.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Toyota 7.5" IFS Eaton Detroit TrueTrac | Front 27 Spline (45mm)
List Price: $604.79
Your Price: $519.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Toyota 8" Eaton Detroit TrueTrac | Front 30 Spline (2 Pinion / 4Cyl)
List Price: $542.93
Your Price: $479.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Toyota 8" Eaton Detroit TrueTrac | Rear 30 Spline (4Cyl Non-Turbo)
List Price: $542.93
Your Price: $479.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Toyota 8" V6 / TV6 Eaton Detroit TrueTrac | 30 Spline (Rear)
List Price: $542.93
Your Price: $479.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Toyota 8" V6 / TV6 Eaton Detroit TrueTrac | 30 Spline (Front)
List Price: $542.93
Your Price: $479.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Toyota T100 and Tacoma Eaton Detroit TrueTrac | Rear 30 Spline
List Price: $590.35
Your Price: $509.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Dana 30 Eaton Detroit TrueTrac | Rear 27 Spline (3.73 & Up)
List Price: $628.15
Your Price: $539.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Dana 30 Eaton Detroit TrueTrac | Front 27 Spline
List Price: $510.29
Your Price: $449.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Dana 35 / AMC Model 35 Eaton Detroit TrueTrac | Rear 27 Spline (3.54 & Up)
List Price: $510.29
Your Price: $449.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Dana 44 Eaton Detroit TrueTrac | Rear 30 Spline (3.73 & Down)
List Price: $609.54
Your Price: $529.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Dana 44 Eaton Detroit TrueTrac | Rear 30 Spline (3.92 & Up)
List Price: $590.35
Your Price: $509.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Dana 44 Eaton Detroit TrueTrac | Front 30 Spline (3.73 & Down)
List Price: $590.35
Your Price: $509.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Dana 44 Nissan M226 Eaton Detroit TrueTrac | Rear 32 Spline
List Price: $790.50
Your Price: $664.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
Eaton Detroit TrueTrac
Dana 60 Eaton Detroit TrueTrac | Rear 30 Spline (4.10 & Down)
List Price: $960.84
Your Price: $789.95

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement.
   
 
Don't see the Eaton locker that you're looking for? We carry far more items than we could ever make available on this website so give us a call or send us an email and chances are we can get what you need at a great price.