Free shipping on orders over $100 - Details
Mr. Gasket

Mr. Gasket Cylinder Head Dowel Pins

Fits 1965-1997 Chevrolet 396-454 Big Block & 1997-2008 LS Based Engines

Part # 4377 Be the first to write a review
In Stock
Your Price
Suggested Retail
Add to Wish List
Create a new list
Big Block Chevrolet tubular head dowel, .638/.639 inch o.d. (outer diameter) by 1/2 inch. Packaged two per set. These hard to find dowel pins are precision machined then case hardened for accurate alignment in engine assembly.

About Mr. Gasket

Using his own '57 Chevy as a rolling testbed, drag racer Joe Hrudka launched the most famous gasket company in the world more than half a century ago. Mr. Gasket is the go-to gasket source for racers with gaskets and fasteners that seal perfectly every time.

Brand Mr. Gasket
Emission Code5
FinishBlack Oxide
Product TypeEngine Fasteners
WarrantyLimited 90 Day
Part Number4377

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.

Limited 90 Day: See Details

    Your Review

    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

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