The left flywheel pictured is the earlier Silvertop design and style though the ideal will be the lightened Blacktop. Even though the Blacktop head incorporates a much more open up combustion chamber (see “Head combustion- chambers”) it continue to has a higher static compression ratio (see “compression ratio”), this is https://4ageblacktopengineforsale71468.total-blog.com/details-fiction-and-toyota-4age-for-sale-65078019