Skip to Main Content Skip to Footer Links
Error occured! Please reload the page and try again
Choose a Store
Open till 
There are vehicles in your garage

Free shipping on orders over $25.

Enroll in Speed Perks for more savings.


Cart is empty!


Add Something to the cart

includes estimated shipping



Vehicle added

Vehicles

Find parts for the selected vehicle:

View Vehicles
Are you sure you want to delete this vehicle?

    Add a


    Add a


    K & W Chemical Permanent Metallic Block Seal Head Gasket Repair (16 wt. oz.)

    Part # 401016
    Loading ...
    • Product Details

      Part No. 401016

      Warranty Details (30 DAY REPLACEMENT IF DEFECTIVE)

      Forms a permanent molecular bond that's as strong as steel. Seals cracks & holes in cast iron & aluminum engine blocks, head gaskets, freeze plugs, & copper, aluminum & bi-material radiators & heater cores. Tested by an Independent test lab. Rated No.1.

      Product Features:

      • Stops leaks
      • Repairs gaskets
      • Seals cracks
      • Extends the life of your vehicle

    • Specifications
      • Container Material:Metal
        Container Size:16 oz
        Liquid Type:Reddish Brown Lumpy Liquid
    • Read Review
    • Q & A