Allstar Performance Restrictor Plate Insert — 1.050in ID, Set of 4 for 1in Plate | ALL26059 1987-chevrolet-r20-esi6462180 Ultimax offers great value for

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Allstar Performance Restrictor Plate Insert — 1.050in ID, Set of 4 for 1in Plate | ALL26059 1987-chevrolet-r20-esi6462180 Ultimax offers great value forThis is a set of 4 Allstar Performance restrictor plate inserts with a 1. 050 in inside diameter (ID). They are made of natural finish aluminum and are sized for Allstar's 1 in thick adjustable restrictor plate. Spec Sheet: Allstar Spec Sheet Compatibility Fits Allstar Performance's 1in thick restrictor plate, ALL26060, sold separately. Does not fit the 1 2in thick restrictor plate, ALL26180; the two base plates use separate, non interchangeable