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Mr. Gasket Cylinder Head Dowel Pins

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

PART# 4377

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$13.36   Suggested Retail
$10.82   Holleydays Price
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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.


BrandMr. Gasket
Emission Code5
FinishBlack Oxide
Product TypeEngine Dress Up Kits
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.

Warranty Information

Limited 90 Day: See Details
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         X  Holleydays 2020 20% off and DD
         X  Holleydays 2020 20% off and DD