Non-stocking item.  Typical lead time 4-6 weeks.

This Winters Quick Change Rear End Assembly has been specifically developed for Modifieds.  

The package includes the following items and options:

Magnesium Rear End Assembly 
8111 -    4.12 Ring & Pinion
8104 -      Aluminum Pinion Posi-Lock Assembly
8115 -     31 Spline Aluminum Spool
8133 -     Sprint Center, 10 Bolt
8143 -     Pinion Nose Roller Bearing
8186P -     6 Rib Bell with Inspection Ring
Weight: 110 lbs.

This item ships via truck freight.