This listing is for 32 brand new stock replacement style valve locks from Elgin Industries that are made in the USA and meet or exceed OEM specifications. That's enough locks to do 16 valves.

This set fits the following Oldsmobile V8 engines that GM used in some Buick, Cadillac, Chevy, GMC, Oldsmobile and Pontiac vehicles:

• 260 CID (4.3L) 1975-1982 Gas
• 260 CID (4.3L) 1979-1980 Diesel
• 307 CID (5.0L) 1980-1990
• 330 CID (5.4L) 1964-1967
• 350 CID (5.7L) 1968-1980 Gas
• 350 CID (5.7L) 1978-1985 Diesel
• 371 CID (6.1L) 1957-1960
• 394 CID (6.5L) 1959-1964
• 400 CID (6.6L) 1965-1969
• 403 CID (6.6L) 1977-1979
• 425 CID (7.0L) 1965-1967
• 455 CID (7.5L) 1968-1976

Lock Details/Specifications:

• Part Number: 555R-Olds
• Brand: Elgin Industries
• Lock Angle: 7°
• Lock Style: Stamped Hardened Steel
• Groove Style: Single
• Valve Stem Size: 11/32"
• Country Made In: USA

Please check your old parts to ensure the correct fit, refer to the manufacturers catalog or contact me with any application questions.