Big Bore Cylinder Kit For Harley-Davidson. Evolution 83 (1360cc) Big Bore black cylinder kit. Includes 10:1 compression Wiseco forged piston kit, which has been honed for final fitment.Kit has a front and rear domed piston. Features cast in steel sleeve. Order top end gasket separately. The item "83 Big Bore Cylinder Bolt-On Kit For Harley-Davidson Evolution 1984-1998" is in sale since Thursday, November 16, 2017. This item is in the category "Motor\ piezas y accesorios\Motos\ recambios\Motores y piezas\Kit de cilindros Big Bore". The seller is "california-motorcycles" and is located in Sarasota FL. This item can be shipped worldwide.