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Gaskets and Seals› Engine Gaskets and Seals
Cometic Gasket
Cometic GM LS1 SB 4.160 inch Bore .070 inch MLS Head Gasket
SKU: C006 C5318-070
Easy — 1–2 hours
Overview
Its MLS construction provides a strong base material compared to standard gaskets.
Show original supplier description
Part #: C5318-070
The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.
GM LS1/LS2/LS3/LS6 Gen-3/4 Small Block V8 .070in. MLS Cylinder Head Gasket | 4.160in. Bore
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vehicle Symptoms
- Coolant loss without visible leaks
- Engine overheating under load
- White smoke from exhaust at startup
- Rough idle or misfire after warm-up
- Oil in coolant or coolant in oil
Diagnostic Codes
- P0300 – Random/multiple cylinder misfire detected
- P0301 – Cylinder 1 misfire detected
- P0302 – Cylinder 2 misfire detected
- P0303 – Cylinder 3 misfire detected
- P0304 – Cylinder 4 misfire detected
Relevant Conversations
- LS engine overheating after head swap
- Cometic C5318-070 head gasket review
- P0300 on LS3 after boost install
- Symptoms of blown head gasket on GM LS
- How to choose MLS head gasket thickness
- LS head gasket replacement cost
- White smoke from exhaust LS1
- ARP head studs vs bolts for LS
- LS head gasket failure causes
- Cometic vs Fel-Pro LS head gasket
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 C5318-070 |
Videos
Reviewing Cometic's MLX Head Gaskets
PermaTorque MLS Head Gasket with NextGen Coating | Fel-Pro Gaskets
Cometic MLS Head Gaskets
Inside Fel-Pro PermaTorque MLS Head Gaskets
Understanding MLS Head Gaskets
SCE Gaskets discusses the NEW MLS GS Gasket and Vulcan Cut Ring Head Gaskets
Fel-Pro Gasket Sets vs OE Gasket Sets
Common Mistakes Made With Automotive Head Gaskets | Counter Intelligence
Alex and Bill look at Head Gasket Quality
Don't use ebay Head Gaskets!
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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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