ARP 7/16" x 3/4" Special Purpose Washers CHEV FORD HOLDEN # 200-8558 Rate_10 pump diaphragm(s)

pump diaphragm(s)

Made from tough 8740 chromoly steel (rated at 190

providing a noise-free RPM signal to the Sniper ECU

Spring loaded Gates tensioner ensures proper tension during hard acceleration and deceleration while compensating for belt stretch

Air Filter Top Measurement:6

ARP 7/16" x 3/4" Special Purpose Washers CHEV FORD HOLDEN # 200-8558 Rate_10 pump diaphragm(s)ARP 7 16" x 3 4" Special Purpose Washers CHEV FORD HOLDEN # 200 8558 Washers, Chromoly, Black Oxide, . 438 in. I. D., . 750 in. O. D., . 120 in. Thick, Set of 10 Washer Outside Diameter (in.): 0. 75 in. Washer Outside Diameter (mm): 19. 050 mm Washer Inside Diameter (in.): 0. 44 in. Washer Inside Diameter (mm): 11. 125 mm Washer Thickness (in.): 0. 120 in. Washer Thickness (mm): 3. 048 mm Washer Material: Chromoly Washer Finish: Black oxide Inside