This has a bore of 1.700" and a bolt hole distance of 2 15/16" center to center and will fit different models or carbs. If you don't see it just ask, we probably have it, or will custom make it to your needs.
For YF 2 Bolt Phenolic Riser Carter Holley Autolite Carburetor Intake Spacer 1/2
TSP Main Cap Stud Set 719-131963; Pro Series Hex Head Chromoly for SBC 2-bolt SJ
TSP Main Cap Stud Set 722-131942; Pro Series Hex Head Chromoly for BBC 2-bolt
ARP Main Cap Stud Set 235-5502; Chromoly for BBC 2-bolt w/windage tray
1975-82 D5TZ9510AGCarburetor For YF Carter Ford 240 250 300 YF C1YF 6 CYL CIL
Carburetor for YF Carter Ford 240 250 300 YF C1YF 6 CYL CIL 1975-82 D5TZ9510AG