Mr. Gasket
COLL GSKT TR 3-1/2 X 4-7/16 BC
SKU: M00S 1203C
Description
Part #: 1203C
Manufactured from high-temperature composite exhaust material. Provides maximum torque retention to eliminate gasket failure. Precision die cut for an excellent fit. For high-performance street, drag race and oval track.
Features:
- Made from Mr. Gasket's Performance exhaust gasket material
- Sold as a pair
Fits 3-1/2 Inch I.D. 3-Bolt Header Collectors
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.
Available on iOS & Android
Specifications
| Brand | Mr. Gasket |
| Part Number | M00S 1203C |
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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