More details: Ceriani front end, 18 inch Sun rim with spool hub, Dunlop slick. Rear has Star caliper and disk brake, and a 15 inch rim with Goodyear tire, and there is also an 18 inch rear rim that can be used. Four speed close ratio tranny, dry clutch. 3 5/8 bore, 90 some cubic inches. Sifton cams, modified rocker arms.