WHAT DOES BLACKTOP 20V 4AGE MEAN?

The Silvertop con-rods are extremely solidly created and with bolts weigh in at 506 grams each (devoid of bearings). The Blacktop was fitted with thinner, lighter and weaker rods which are 485 grams Just about every. Each are conveniently interchangeable and use the same fasteners for the key bearing cap, as a result the ARP fastener up grade satis