DoctorDiff Sure-Trac II is a fully machined, forged steel 8.75" differential which operates similar to an Eaton True-Trac. <br /><br />The Sure-Trac II incorporates 6 helical (worm) gears instead of 4 for maximum strength and smooth, quiet operation. <br /><br />Use conventional 85 W 140, GL-5 grade gear lube. Friction modifier additive is not necessary.
Mopar 8 3/4 (8.75) Clutch Type Sure-Grip (Powr-lok)
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Doctor Diff's 8 3/4 Helical Gear Sure-Grip (Sure-Trac) LSD
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MOPAR 8 3/4, 8.75, 3.23 SURE-GRIP POSI 3rd. MEMBER, 742 CASE, 7290 LG. YOKE $1,489.00 - PicClick
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New, Mopar 8 3/4 nodular iron 489 casting includes forged steel caps and billet steel adjusters. Upgrade to super-duty version with HD steel caps for
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DoctorDiff Sure-Trac II is a fully machined, forged steel 8.75 differential which operates similar to an Eaton True-Trac. , The Sure-Trac II
Mopar 8 3/4 (8.75) Helical Gear Sure-Grip (Sure-Trac)
