Big Bore Cylinder Kits

ROCKET PERFORMANCE GARAGE LLC — Big Bore Cylinder Kits Increase displacement. Increase performance. Built in the USA for riders who demand reliable, bolt-on horsepower, Rocket Performance Garage Big Bore Cylinder Kits upgrade 2007–2016 Harley V-Twin 96" and 103" motors to a potent 110". Fitment: Brings 07–16 stock 96" and 103" motors to 110" Stroke & Compression: 4.375" stroke with 10.5:1 compression Pistons: CP forged pistons paired with matched Wiseco piston sets Finish: Textured black power-coated cylinders with precision machine fins for an authentic OE Harley look Gaskets & Installation: Includes Cometic head and base gaskets — kits arrive ready to install Manufacturing: Cylinders cast from premium materials and assembled in the USA Designed by industry-leading manufacturers and tested by experienced racers, these kits deliver reliable torque and smooth power delivery ideal for street and performance builds. Consult Rocket Cams' cam and component suggestion chart for optimized results and customer satisfaction. Why choose Big Bore Cylinder Kits? Proven materials, precision fitment, complete gasket set, and a direct increase in displacement for a significant performance upgrade without extensive modification.