THE HEX NUTS USE A 11/16" WRENCH OR SOCKET.
32 NASCAR A1 TECH 5/16" x 2.650" LONG R07.2 UNDER HEAD STUDS / HOLLEY CARBURETOR
43 NASCAR A1 TECH 5/16" x 2.650" LONG R07.2 UNDER HEAD STUDS / HOLLEY CARBURETOR
NEW Edelbrock R07 Chevy Aluminum Intake Manifold #2873 NASCAR A1
13 NASCAR BILLET ALUMINUM ADJUSTABLE MOUNTS / BRACKETS WITH 5/16" ROD ENDS
13 NASCAR BILLET ALUMINUM ACCESSORY MOUNTING BRACKETS 2.550" HOLE x 4" C/C
13 NASCAR CARBON FIBER DUST COVERS FOR 110T REVERSE MOUNT BELLHOUSINGS TILTON QM