8 3/4 Helical Gear Sure-Grip (Sure-Trac II)
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.
A question of rear ends. For C Bodies Only Classic Mopar Forum
ZIKF8.8-T/L-31 - USA Standard Gear standard spider gear set for Ford 8.8 Trac Loc posi, 31 spline
What and where to order a sure grip For C Bodies Only Classic Mopar Forum
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
Mopar 8 3/4 (8.75) Nodular Iron 489 Casting
8 3/4 Sure grip options for a lot of abuse
8.75 Sure Grip spider gears break
A question of rear ends. For C Bodies Only Classic Mopar Forum
What and where to order a sure grip For C Bodies Only Classic Mopar Forum
Limited Slip Differentials
Doctor Diff's 8 3/4 Helical Gear Sure-Grip (Sure-Trac) LSD