The remaining flywheel pictured is the earlier Silvertop design and style while the ideal could be the lightened Blacktop. To reduce sound the Blacktop belt showcased a slightly various form enamel profile, This really is to the belt only and also the profile on the travel / driven pulleys(s) remains https://4ageenginesale81345.alltdesign.com/top-4age-20v-blacktop-secrets-58459024