912A616 Detroit Truetrac Ford 8" 3.25 Up Ratio
APPLICATION: FORD 8" 3.25 UP RATIO
AXLE PLACEMENT: REAR
AXLE SPLINE COUNT:28
SPLINE DIAMETER:1.20"
COVER: 10 BOLT
GEAR RATIO: 3.25 AND UP
MODEL:FORD 8"
RING GEAR DIAMETER:8"
NOTES: FORD 8" 28 SPLINE REAR 1978' AND OLDER REPLACES PART NUMBER 912A580 :: UNIT REQUIRES SPECIAL BEARINGS AND RACES LM102910 2 NEEDED LM102949 2 NEEDED BOBCAT COMET COUGAR FAIRLANE FALCON GRANADA MAVERICK MUSTANG TORINO ETC :: D8OZ4216A RING GEAR BOLTS IS REQUIRED IF CHANGING FROM AN OPEN TO A POSI REAR.
Package deals available featuring OE gear sets from AAM American Axle and Dana Spicer as well as aftermarket sets from Dana SVL and Yukon brand ring and pinion gear sets. Timken or Koyo master bearing installation kits available also. Give us a call or email us for a package for your application.
The Eaton Detroit Truetrac limited slip differential is a helical gear driven limited slip. The Truetrac is a sealed "no maintenance" unit, the unit does not require limited slip additive or adjustments and does not have clutches to wear out like a standard factory posi unit. Durable, quiet and smooth operation and engagement.
EATON/DETROIT DIFFERENTIALS APPLICATION CATALOG
Detroit Truetrac Differentials The Detroit Truetrac was the first helical gear differential ever introduced into the automotive aftermarket as an Eaton brand. It remains the leading helical gear-type limited slip differential in the industry. Detroit Truetrac's proven helical gear design eliminates the need for wearable parts, resulting in maintenance free traction recognized not only for its toughness, but its smooth and quiet operation as well. Proven design, low cost and effective performance all make the Detroit Truetrac limited slip differential the ideal choice for a wide variety of vehicle applications. No maintenance - Just Traction.
APPLICATION: FORD 8" 3.25 UP RATIO
AXLE PLACEMENT: REAR
AXLE SPLINE COUNT:28
SPLINE DIAMETER:1.20"
COVER: 10 BOLT
GEAR RATIO: 3.25 AND UP
MODEL:FORD 8"
RING GEAR DIAMETER:8"
NOTES: FORD 8" 28 SPLINE REAR 1978' AND OLDER REPLACES PART NUMBER 912A580 :: UNIT REQUIRES SPECIAL BEARINGS AND RACES LM102910 2 NEEDED LM102949 2 NEEDED BOBCAT COMET COUGAR FAIRLANE FALCON GRANADA MAVERICK MUSTANG TORINO ETC :: D8OZ4216A RING GEAR BOLTS IS REQUIRED IF CHANGING FROM AN OPEN TO A POSI REAR.
Package deals available featuring OE gear sets from AAM American Axle and Dana Spicer as well as aftermarket sets from Dana SVL and Yukon brand ring and pinion gear sets. Timken or Koyo master bearing installation kits available also. Give us a call or email us for a package for your application.
The Eaton Detroit Truetrac limited slip differential is a helical gear driven limited slip. The Truetrac is a sealed "no maintenance" unit, the unit does not require limited slip additive or adjustments and does not have clutches to wear out like a standard factory posi unit. Durable, quiet and smooth operation and engagement.
EATON/DETROIT DIFFERENTIALS APPLICATION CATALOG
Detroit Truetrac Differentials The Detroit Truetrac was the first helical gear differential ever introduced into the automotive aftermarket as an Eaton brand. It remains the leading helical gear-type limited slip differential in the industry. Detroit Truetrac's proven helical gear design eliminates the need for wearable parts, resulting in maintenance free traction recognized not only for its toughness, but its smooth and quiet operation as well. Proven design, low cost and effective performance all make the Detroit Truetrac limited slip differential the ideal choice for a wide variety of vehicle applications. No maintenance - Just Traction.
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April 11, 2025 by David H. (United States)
“fast and convenient”
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had what I needed
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direct replacement
April 10, 2025 by Alex (United States)
“I've ordered from Drivetrain America numerous times in the last few months to get floor mats for all of my trucks. Check out is easy and shipping is fast.”
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They have what I need, when I need it.
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The mats are easy to put in and take out to keep the cabs/floorboards of my trucks clean. Minimal effort is needed to install with no trimming and quality/durability of the mats are 10/10. All of our trucks have Minimizer floor mats in them.
April 10, 2025 by Trevor C. (United States)
“Good quality glad I purchased it stopped my leaking transmission as well as vibration. 1991 Ford ranger 2.3 2wd manual you will need ujoint for 4x4”
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Great communication from parts department
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Looked better then anywhere else
