A SECRET WEAPON FOR 4AGE ENGINE SALE

The Blacktop has an internal shape on the manifold in a more of the heart form compared to Silvertop’s round inlets (see “Throttles”). The Blacktop inlets at the head side will also be wider to allow for that larger inlet ports in The top. Be sure to see “Throttles”, “Head (Inlet encounter)” and “Inlet manifold heat insulators” fo