This replacement Pro-Cap, finished in black, fits MSD's PN 7445, PN 7455, and PN 74553 Pro-Cap distributor cap assemblies, with a 5-inch terminal-to-terminal diameter.Specifications: Part Type: Distributor Cap Color: Black Diameter: 5" terminal-to-terminal Fits: PN 7445, PN 7455, PN 74553 Part Number: 74083 FAQWhat's the difference between the 7408 and the 74083?They're the same Pro-Cap replacement cap; the 74083 is finished in black while the 7408 is red.What does the 74083 fit?It fits MSD Pro-Cap assemblies PN 7445, PN 7455, and PN 74553.What is the cap's terminal-to-terminal diameter?5 inches.{"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"What's the difference between the 7408 and the 74083?","acceptedAnswer":{"@type":"Answer","text":"They're the same Pro-Cap replacement cap; the 74083 is finished in black while the 7408 is red."}},{"@type":"Question","name":"What does the 74083 fit?","acceptedAnswer":{"@type":"Answer","text":"It fits MSD Pro-Cap assemblies PN 7445, PN 7455, and PN 74553."}},{"@type":"Question","name":"What is the cap's terminal-to-terminal diameter?","acceptedAnswer":{"@type":"Answer","text":"5 inches."}}]}