Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Engines and Components› Cylinder Heads and Components
Cometic Gasket
Cometic 84-99 Edelbrock B/Twin 3.5in&35/8in Big Bore Top End Kit
SKU: C006 C9912
Advanced — 4+ hours
Overview
Show original supplier description
Part #: C9912
Cometic utlizes their in-house dynamometersand engine assembly rooms to ensure quality and reliability
Vehicle Symptoms
- loss of power at high RPM
- excessive oil consumption after warm-up
- white smoke from exhaust on startup
- rough idle and poor throttle response
- blowby visible from crankcase vent
Relevant Conversations
- Cometic C9912 big bore top end kit
- Edelbrock B/Twin 3.5 inch bore gasket set 84-99
- symptoms of worn cylinder head gasket
- low compression cylinder fix
- Cometic vs stock head gasket performance
- how long to install top end kit
- white smoke from exhaust and oil burning fix
- engine loses power after 4000 rpm rebuild
- big bore kit compatibility 1988 Edelbrock twin
- best head gasket for high compression build
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Cometic Gasket |
| Part Number | C006 C9912 |
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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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