Allstar Performance Adjustable Restrictor Plate — 1in Thick, 4-Hole Square Bore | ALL26060 1980-jeep-j20-esi4077767 These bolts are Grade 5

These bolts are Grade 5 with a 7/16 hex head and a protective black finish

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Ferrea Subaru EJ20 32mm 5

Toyota GR86 / Subaru BRZ 2022+

Allstar Performance Adjustable Restrictor Plate — 1in Thick, 4-Hole Square Bore | ALL26060 1980-jeep-j20-esi4077767 These bolts are Grade 5This is Allstar Performance's 1 in thick adjustable restrictor plate, made of natural finish aluminum with a 4 hole square bore mount. It accepts a range of insert sets to set the effective restriction for oval track classes that require a restrictor plate. Spec Sheet: Allstar Spec Sheet Compatibility Accepts Allstar's 1in plate restrictor insert sets: ALL26059 (1. 050in ID), ALL26061 (0. 950in ID), ALL26062 (1. 000in ID), ALL26063 (1. 100in ID),