Engines and Components› Engine Covers, Pans and Dress-Up Components
Mr. Gasket
Cast Aluminum Tall Valve Covers Polished Fits 1965-2000 Chevrolet 396-454 Big Block Mr Gasket
SKU: M00S 6858G
Easy — 1–2 hours
Description
Part #: 6858G
These valve covers are constructed of high quality die-cast aluminum for an excellent fit. They are available in polished, finned, and ball-milled versions to fit a variety of engines.
Features:
- Top quality cast aluminum construction
- Choice of smooth top polished, finned, or ball-milled designs
- Some available in tall versions for additional rocker arm clearance
- Thick gasket rail area for excellent sealing
- Pre-punched breather openings with baffles
- Includes mounting hardware
- Sold as a pair
Valve Cover - Tall - Breather Holes - Hardware Included - Aluminum - Polished - Big Block Chevy - Pair
MIA's Description
These valve covers are precision die-cast for light weight and a perfect fit. Available with plain or ball- milled tops, they include a 1 1/4 inch diameter breather hole, except where noted.
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 6858G |
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