- Heat resistant Teflon Gasket among the plenum and also the runners to make certain reduced intake temperature. The Silvertop con-rods are quite solidly crafted and with bolts weigh in at 506 grams each (without bearings). The Blacktop was equipped with thinner, lighter and weaker rods which can be 485 https://georgesu170upj5.magicianwiki.com/user