DMI Saturday Night Special Quick Change Center Section - 10 in Ring Gear - 4.86 Ratio Standard - Magnesium Center Only 57850BK A sealed ball bearing guides

A sealed ball bearing guides the top of the shaft while an extra long sintered bushing stabilizes the lower portion

1/2 in NPT Oil Drainback

3/8 in Tube OD

Edelbrock equips the complete heads with your choice of spring packages to suit hydraulic or mechanical roller cams

BBK Induction System

DMI Saturday Night Special Quick Change Center Section - 10 in Ring Gear - 4.86 Ratio Standard - Magnesium Center Only 57850BK A sealed ball bearing guidesThe Saturday Night Special line of Modified rear ends feature a 100% magnesium center and bells within inspection and fill level plug, breather assembly, O ringed rear cover with heavy duty bearings, aluminum spool, precision ground heat treated lower shaft, low drag seals, and black thermal coating. Product Description: Rear Axle Assembly Saturday Night Special 10 in Ring Gear 4. 86 Ratio Standard No Tubes Magnesium Center Only Why DMI Sprint Race