The Longacre Factory GM Adapter 3/4" - 20 keeps the highest value racecars at the front of the pack. Longacre Factory GM Adapter 3/4" - 20 is a trackside favorite with many teams from ChumpCar to Grand-Am.
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Screws onto spindle.
|Style:||Screws on to spindle|
|Size:||GM Factory - 3/4"-20|
|Fits Gauge Bolt Size:||5/16"-18|