Mr. Gasket Valve Cover Nuts & Studs - Acorn Style

Fits 1955-1986 Chevy 262-400 Gen I Small Block

PART# 6304

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Does not fit 1987-up small block Chevy with center bolt valve covers.


8 chrome plated grade 5 hex nut valve cover nuts with an acorn head work in conjunction with 8 studs to secure bolt perimeter bolt style valve covers on Chevrolet small block V8s. Works with both stamped steel and cast aluminum valve covers. Includes: (8) 1/4 inch-20 x 1-3/8 inch acorn head nuts, (8) 1/4 inch-20 x 7/8 inch studs


  • Chrome plated acorn head nuts
  • Grade 5
  • Studs work with stamped steel or cast aluminum valve covers


ApplicationSmall Block Chevy
BrandMr. Gasket
Emission Code5
Product TypeValve Cover Bolts
Part Number6304


This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

Does not fit 1987-up small block Chevy with center bolt valve covers.
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        Some parts are not legal for use in California or other states with similar regulations.