Even though the Blacktop head encompasses a more open combustion chamber (see “Head combustion- chambers”) it even now has an increased static compression ratio (see “compression ratio”), this is solely because of the piston style and design. The Silvertop piston features a incredibly small dome with two deeply angled exhaust https://4age20vforsale37036.blogprodesign.com/53052835/4age-blacktop-engine-for-sale-can-be-fun-for-anyone