Koso MB623003 4V Head Kit with 170cc Big Bore Kit This complete kit is a perfect add-on for the power enthusiast.
All parts are made from high-quality components for reliability and durability
Includes 170cc ceramic-coated cylinder, forged piston, performance camshaft, crankshaft bearing, rocker arms, 4-valve cylinder head, intake manifold, gaskets and more
1,039.95 1,039.95
