The Silvertop con-rods are really solidly designed and with bolts weigh in at 506 grams Just about every (with out bearings). The Blacktop was fitted with thinner, lighter and weaker rods that happen to be 485 grams Just about every. Equally are quickly interchangeable and use the exact same fasteners https://toyota4ageengineforsale82479.blogdomago.com/30505405/4age-blacktop-engine-for-sale-can-be-fun-for-anyone