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3sgte Head Support Washers
Product Details
We call them "hats" for short. These have been the head gasket fix for many over 600whp. When installing l19 or new age 625 head studs the extra torque will deform the top of the head stud hole resulting in lose of torque over time. These install under the washer on your studs and support the top of the stud hole. Requires simple drilling to install.
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