Exterior Components› Body Panels and Components

Patriot Exhaust

SEAL4GOOD MULTILAYER ALUMINUM FLANGE GASKET CHEVROLET SB 265400 ROUND 1.50 I

$240.92

SKU: P012 66120

In Stock
In Stock
Ships by Jun 20
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Patriot Exhaust 66120 is a set of Seal-4-Good flange gaskets designed for Chevrolet SB stock engines (265-400). These gaskets are made from multi-layered, dead-soft aluminum that conforms to the flange for a reliable seal. They are also port-matchable for improved flow and are 100% reusable.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandPatriot Exhaust
Part NumberP012 66120

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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