Mr. Gasket
Valve Cover Nuts & Studs Acorn Style Fits 1955-1986 Chevrolet 262-400 Gen I Small Block Mr Gasket
SKU: M00S 6304
Description
Part #: 6304
8 Inchchrome plated grade 5 hex nut valve cover nuts with an acorn head work in conjunction with 8 Inchstuds to secure bolt perimeter bolt style valve covers on Chevrolet small block V8 Inch. Works with both stamped steel and cast aluminum valve covers.Includes: (8 Inch 1/4 inch-20 x 1-3/8 Inch acorn head nuts, (8 Inch 1/4 inch-20 x 7/8 Inch studsChrome plated acorn head nutsGrade 5Studs work with stamped steel or cast aluminum valve coversDetails:Engine: Small Block ChevyEmission Code: 5Finish: ChromeMaterial: SteelWarranty: Manufacturer's Limited 90 Day Warranty
Features:
- Chrome plated acorn head nuts
- Grade 5
- Studs work with stamped steel or cast aluminum valve covers
Valve Cover Fastener - Stud - 1/4-20 in Thread - 1.380 in Long - Acorn Nuts - 2 in Long - Steel - Chrome - Set of 8
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Mr. Gasket |
| Part Number | M00S 6304 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy