Sale

Exhaust Headers, Manifolds and Components

Mr. Gasket

Performance Collector Gasket 3-1/2 Inch Fits Triangular 3-bolt Header Collector Flanges with 3.5 Inch I.D Mr Gasket

$13.20 $12.20 Save $1.00

SKU: M00S 1203

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

Beginner — under 30 min

Description

The Mr. Gasket 1203 is a collector gasket designed to seal header collectors to your exhaust system. It is made from a compressed fiber laminate material that is heat and tear-resistant. This gasket features a 3.5-inch inside diameter and a 4-7/16-inch bolt circle with 3/8-inch bolt holes. It is sold individually.

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 1203

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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