Cam Bolts and Lock Plate - Chevrolet Small Block and Big Block 1955-'85

Mr. Gasket 948G, Cam Locking Plate, Chevy Small Block & Big Block - fits 1955-'85 camshafts. Includes (3) 5/16"-18 x 3/4" Grade 5 Bolts & Locking Plate w/ Black Oxide Finish.

PART# 948G

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Locking Plate Does Not Fit OE Hydraulic Roller Camshafts (1986-'00).


These Mr. Gasket cam locking plates feature a steel retainer plate designed to secure the cam gear bolts from coming loose and backing out, preventing costly engine damage. Retainer plate fits under bolt heads allowing tabs to be bent against hex head flats creating a secure positive lock.


BrandMr. Gasket
Emission Code1
FinishBlack Oxide
Product TypeEngine Dress Up Kits
Part Number948G


This part is legal for use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board Executive Order number or is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle

Tech Resources

Locking Plate Does Not Fit OE Hydraulic Roller Camshafts (1986-'00).
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      *Free Shipping & Handling only offered to the contiguous US on orders over $100.

      Some parts are not legal for use in California or other states with similar regulations.