The Silvertop con-rods are quite solidly constructed and with bolts weigh in at 506 grams Every single (devoid of bearings). The Blacktop was fitted with thinner, lighter and weaker rods that are 485 grams each. Both equally are easily interchangeable and use the same fasteners for the leading bearing cap, https://minibookmarking.com/story18617219/the-basic-principles-of-blacktop-20v-4age