Looking to rebuild your engine or enhance its performance? Magnum has the perfect solution with our Big Bore Kit. Engineered for precision and power, this high-performance kit is designed to boost your engine’s displacement, providing increased horsepower and torque. Whether you’re upgrading for better acceleration, top-end speed, or overall performance, Magnum’s Big Bore Kit is the ultimate choice. Easy to install and built to last, it delivers reliability and strength to give your engine the edge it needs. Trust Magnum for your next engine rebuild or performance upgrade and experience unmatched power (CYLINDER ONLY)