For the modified racer wanting a lot of HP at a lower cost, this is a package that makes excellent power and great reliability. This engine package has a stock stroke, with a long billet rod and forged piston. It also includes our Attack Series cylinder head, fully ported, machined, and with our special valve job. Modified camshaft, dual valve springs, HD retainers and keepers, and an aftermarket rocker arm assembly is part of the package as well as our Attack Series stock appearing carb. Race ready with included header assembly and chain guard.