Cometic Gasket

Cometic StreetPro Top End Gasket Kit GM Duramax LMM/LLY .047in MLX 4.130in Bore

SKU: cgsPRO3011T UPC: 191070567279
Backordered – call for lead time

⚠ Call for Availability

Expected ship time: usually within 24–48 hours; some vendor items may take longer.

Call: (503) 235-1947 | Email Us: info@dfispdx.com

$608.02

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Verified Fitment & Application Support

This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.

Got Questions? Feel free to email us or call us at (503) 235-1947

StreetPro is Cometic's complete-kit line; this top end kit is built for the GM 6.6L Duramax LLY and LMM.

Key Features

  • Includes a .047in MLX cylinder head gasket
  • 4.130in bore
  • StreetPro top end and bottom end kits are sold separately; buy both for a complete engine rebuild
  • Kit materials include MLS, AFM and aramid fiber gaskets

Fitment

  • GM 6.6L Duramax LLY and LMM

Product Details

  • Brand: Cometic
  • Manufacturer Part Number: PRO3011T

Orders typically ship within 24–48 hours of being received, but because of vendor shipping times some orders may take longer. We ship within the United States only (48 contiguous states plus DC).

Shipping Height: 2.1

Shipping Length: 23.6

Shipping Width: 13.8
California Proposition 65
WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.