Elgin VSB303HP .030" Valve Spring Shim 1.480" x .703" Chevy Buick Olds Pontiac

They are the high performance version shim and have been hardened to stand up to stiffer valve spring pressures than the stock style shims

• Part Number: VSB303HP
• Shim Thickness: 0.030"
• Shim Outside Diameter: 1.480"
• Shim Inside Diameter: 0.703"

This shim kit will fit many of the following 6 cylinder and small and big block V8 engines in Buick, Chevy and Oldsmobile passenger cars and pickups.

Please measure the spring pocket and valve guide diameter on your heads to ensure the correct size you need before ordering.

Buick Engines

• 350 CID (5.7L) 1968-1981

Chevy Engines

• 396 CID (6.5L) 1966-1970
• 402 CID (6.6L) 1970-1972
• 427 CID (7.0L) 1966-1969
• 454 CID (7.4L) 1970-2000

Oldsmobile Engines

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