ARP 7/16" x 7/8" Cylinder Head Insert Washer kit # 200-8598 Rate_15 Chev LT1 6

Chev LT1 6

Featuring annular flow primary boosters

you're sure to find the right one for your application

for use on Holley

-12 AN Female Inlet

ARP 7/16" x 7/8" Cylinder Head Insert Washer kit # 200-8598 Rate_15 Chev LT1 6ARP 7 16" x 7 8" Cylinder Head Insert Washer kit # 200 8598 Washers, Steel, Black Zinc, . 438 in. Inside Diameter, . 875 in. Outside Diameter, Set of 10These ARP cylinder head bolt bushings are perfect when you need to make that big open hole fit the smaller bolt size in the block. Washer Material Steel Washer Finish Black zinc Washer Outside Diameter (in) 0. 875 in. Washer Inside Diameter (in) 0. 438 in. Quantity Sold as a set of 10.