Exhaust Valve

Help restore proper engine breathing and valvetrain performance with this replacement valve. Whether you're replacing a worn or damaged valve or completing a full engine rebuild, this essential component helps control the flow of air, fuel, and exhaust through the combustion chamber to keep your classic running properly. This valve fits 1955–1956 Buick Special, Roadmaster, Super and Century.

• Includes: 1 Valve
• Engine: 264 cid (4.3L) V8; 322 cid (5.3L) V8
• Valve Type: Exhaust
• Valve Specifications: Made of 21-4N stainless steel with a 1.375 in (34.925 mm) valve head diameter and one lock groove.
• Fitment Notes: Exhaust application; each engine uses 8. The 1955 Buick Special has the 264 cid (4.3L) V8, while the 1956 Special and the 1955–1956 Super, Roadmaster and Century have the 322 cid (5.3L) V8.