This Stage 3 Performance 116 ci Big Bore Kit transforms a Thunder Stroke 111 into a high-performance 116-ci power plant delivering 20% more horsepower and 15% more torque. Experience quicker acceleration and increased torque – without sacrificing reliability. This kit contains everything needed for the engine, including: new cylinders, big bore pistons, larger throttle body, and more. Dealer installation required. Also requires Stage 1 Exhaust, Exhaust Tips, and Stage 1 Performance Air Cleaner or Thunder Stroke® High Flow Air Cleaner (each sold separately).
Important Regulatory Information
This item is only available for purchase and installation at your dealer. To find your dealer, click here.