The still left flywheel pictured is the earlier Silvertop design whilst the proper is definitely the lightened Blacktop. To lessen noise the Blacktop belt highlighted a slightly unique shape tooth profile, this is around the belt only plus the profile with the travel / driven pulleys(s) remains unchanged and thus https://4age-20v-for-sale69024.alltdesign.com/the-basic-principles-of-toyota-4age-blacktop-engine-for-sale-58459178