Silly question, I know...

[erampley]

Does anyone know where I can find the correct length for the exhaust valve on a 71 455 V-8.. It is not the HO model, and from what I understand it should be 4.87 inches long, versus the 4.98 inches long... Any help would be fantastic!

[erampley]

Does anyone know where I can find the correct length for the exhaust valve on a 71 455 V-8.. It is not the HO model, and from what I understand it should be 4.87 inches long, versus the 4.98 inches long... Any help would be fantastic!

[gtoric]

According to the AMA Specifications Form, 455 (L75) overall length of exhaust-4.869"; intake valve-4.880".

[erampley]

Absolutely fantastic, thank you for the information!