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Exterior Components› Body Panels and Components

Mr. Gasket

Ultra-Seal Header Gaskets Fits 1997-2011 Chevrolet Gen III/IV LS Based Small Block Mr Gasket

$53.19 $49.95 Save $3.24

SKU: M00S 5964

In Stock
In Stock
Ships by Jul 29
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Mr. Gasket 5964 is a pair of Ultra-Seal exhaust gaskets designed for Chevy Small Block Gen III/IV LS V8 engines. These gaskets feature a steel core laminate construction and have round ports measuring 1.750 inches in height and width.

They are specifically noted for LS1 engine applications. The gaskets are sold as a pair.

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 5964

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.

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