GM Performance Parts Cylinder Head Gasket, 4.100" Bore, 0.051" Compression Thickness, Steel Core Laminate, Small Block Chevy, Each (604 Crate) SKU GMP-12557236 $67.87 Quantity discounts available QuantityPrice (0)No Reviews yet Number of Pieces Item Custom Price Quantity -+ Add to Cart Details Chevrolet Performance composition head gaskets are recommended for stock and mildly modified engines. They're available in a variety of bores, compres... Details Back DetailsChevrolet Performance composition head gaskets are recommended for stock and mildly modified engines. They're available in a variety of bores, compressed thicknesses, and volumes for fitment on specific vehicle and engine applications. Ratings & ReviewsNo reviews availableBe the first to Write a Review