Mopar 8 3/4″ 3.91 Standard Gear – 742 Case Motive Performance Gear – Produced in Italy

Standard Gears are the perfect choice for replacement of OEM gear sets
Providing long service life in Street, Street / Track, & Oval track vehicles

These gears can also be used in some Drag Race cars depending on weight & power
If tooth breakage occurs, then Pro Gears or a larger rear end will become necessary

Designed For 742 Casting

Machined From 8620 Forged Steel
Heat Treated to Maximize Gear Life
Matched Ring & Pinion Set

Ring Gear
– 8.75″ OD
– Tooth count 43
– 12 bolt holes
– 3/8″-24 LH threads

Pinion
– 10 spline shaft
– Tooth count 11
– 3/4″-16 RH threads

Unsure about your application?
Please contact a Strange Sales Associate to discuss your vehicle

INSTALLATION KITS

Complete kit – Using OEM differential……………………….. R5261
Complete kit – Using Strange spool or Auburn posi… R5261-SP
Basic kit – No bearings……………………………………………….. R5260