Sale

Engines and Components› Engine Covers, Pans and Dress-Up Components

Mr. Gasket

Fabricated Aluminum Valve Covers Black Finish Fits 1965-1978 Chrysler 383-440 B/RB Big Block Mr Gasket

$266.95 $240.83 Save $26.12

SKU: M00S 6865BG

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Mr. Gasket 6865BG is a pair of fabricated aluminum valve covers designed for Mopar B/RB-series engines. Constructed from 6061 T5 sheet aluminum with a black powder coat finish, these tall valve covers stand 3.5 inches high. They feature a 1/4" thick CNC billet flange for a superior seal and include a baffle and a breather hole with a 1.25" opening.

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

BrandMr. Gasket
Part NumberM00S 6865BG

Videos

How To Install Mr. Gasket Fabricated Valve Covers on a Gen 3 HEMI

How To Install Mr. Gasket Fabricated Valve Covers on a Gen 3 HEMI
Mr. Gasket Fabricated Valve Covers

Mr. Gasket Fabricated Valve Covers
Speedway Tech Talk - Valve Cover Oil Filler Cap

Speedway Tech Talk - Valve Cover Oil Filler Cap
SPELAB Billet Aluminum Valve Covers Install On 5.7 HEMI

SPELAB Billet Aluminum Valve Covers Install On 5.7 HEMI
How to Achieve a Leak-Free Valve Cover Installation: Step-by-Step Expert Guide

How to Achieve a Leak-Free Valve Cover Installation: Step-by-Step Expert Guide
New PROTOTYPE SBF Valve Covers From Anderson Ford Motorsport

New PROTOTYPE SBF Valve Covers From Anderson Ford Motorsport
Gasser Valve Cover Breather Install

Gasser Valve Cover Breather Install
Holley Sniper Fabricated Valve Covers

Holley Sniper Fabricated Valve Covers

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