The Silvertop con-rods are very solidly crafted and with bolts weigh in at 506 grams Each and every (without bearings). The Blacktop was fitted with thinner, lighter and weaker rods which might be 485 grams Every. The two are readily interchangeable and use the same fasteners for the primary bearing https://4age20v39258.ampedpages.com/not-known-facts-about-4a-ge-engine-for-sale-58550580