Gaskets and Seals› Engine Gaskets and Seals
Cometic Gasket
Cometic Pontiac 400/428/455 V8 .066in MLS Cylinder Head Gasket - 4.300in Bore
SKU: C006 C5712-066
Easy — 1–2 hours
Description
This gasket is engineered to provide superior sealing for Pontiac 400, 428, and 455 V8 engines, offering reliable performance and durability. Cometic Gasket is known for supplying hi-performance gaskets for various automotive needs.
Fitment
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Available on iOS & Android
Specifications
| Brand | Cometic Gasket |
| Part Number | C006 C5712-066 |
Videos
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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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