Gaskets and Seals› Engine Gaskets and Seals
Cometic Gasket
Cometic Buick 3800 Series II/III V6 .051in MLS Cylinder Head Gasket - 3.840in Bore - RHS
SKU: C006 C5721-051
Easy — 1–2 hours
Description
Its multi-layer stainless steel construction provides increased strength and the ability to rebound, helping to resist gasket failure. The valve-pocketed bore design further enhances its sealing capabilities.
Fitment
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Specifications
| Brand | Cometic Gasket |
| Part Number | C006 C5721-051 |
Videos
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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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