Cometic GM LLY/LBZ Duramax Top End Gasket Kit - 4.100in Bore - .053in MLX Cylinder Head Gasket

Emit Performance specializes in high-quality automotive performance parts and accessories, offering a wide range of products for car enthusiasts and professionals.

We operate as an online store but are also supported by a network of warehouse distributors to ensure fast and reliable shipping.

Shipping times depend on your location and the shipping method selected. Orders are typically processed within [1-2] business days.

Yes, we ship internationally. Shipping fees and times may vary depending on the destination.

Yes, once your order is shipped, you will receive a tracking number via email to monitor your shipment.

Shipping fees depend on the size, weight, and destination of the order

Unused and unopened products in their original packaging can be returned within [X] days of delivery. Returns must be authorized please contact us at Support@emitperformance.com.

Special order or non-stocking items are non-returnable. Please check the product description for details.

If a product is defective, contact us immediately. We’ll guide you through the warranty claim process and provide a replacement or refund if applicable.

Yes, we offer dealer accounts for businesses. Visit our B2B Dealer Registration page to apply.