Motive Gear 9" Performance Style 1957 & Up ring and pinion gear sets are quality assured and tested to take a beating in your aluminum or steel housing. Computer-controlled heat treatment, index tooth spacing, and CNC machining all go into this series of performance gear sets. 10 Bolt 3rd member Aluminum or steel housing Ring gear diameter 9" 10-7/16" x 20 RH threaded bolts Pinion diameter 1.313" 28 splines No case breaks 8620 Material - Heat Treated Choose your ratio Note: Circle track racing applications require a minimum of 4 qts. of rear end lube. Using less than this amount will lead to immediate pinion bearing failure.
Motive Gear 9\" Performance Style 1957 & Up ring and pinion gear sets are quality assured and tested to take a beating in your aluminum or steel housing. Computer-controlled heat treatment, index tooth spacing, and CNC machining all go into this series of performance gear sets. 10 Bolt 3rd member Aluminum or steel housing Ring gear diameter 9\" 10-7/16\" x 20 RH threaded bolts Pinion diameter 1.313\" 28 splines No case breaks 8620 Material - Heat Treated Choose your ratio Note: Circle track racing applications require a minimum of 4 qts. of rear end lube. Using less than this amount will lead to immediate pinion bearing failure.
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