The Silvertop con-rods are very solidly built and with bolts weigh in at 506 grams Each individual (without the need of bearings). The Blacktop was equipped with thinner, lighter and weaker rods which might be 485 grams Each individual. Each are easily interchangeable and use a similar fasteners for the https://optimusbookmarks.com/story18463299/the-definitive-guide-to-toyota-4age-blacktop-engine-for-sale