Victory 117” Big Bore Kit for 106” Engines
Unleash the full potential of your Victory 106” engine with our high-performance 117” Big Bore Kit. Engineered for riders who demand increased horsepower, stronger torque, and sharper throttle response, this upgrade transforms your engine into a true performance machine while maintaining durability and rideability. Each kit includes premium pistons and a head/base gasket set to ensure a seamless installation and dependable long-term performance.
This is a service-only big bore kit. You must send in your OEM cylinders for professional machining and plating as part of this package. Our precision boring and plating process ensures your factory cylinders are built to exact specifications—delivering maximum performance with the confidence of OEM-based components.
Victory Motorcycles 117" Service Big Bore Kit
$1,849.95
What’s included:
– Overbore service to OEM factory cylinders: 106mm bore size (117 cubic inch)
– Nickel Silicon Carbide (NSC) plated sleeves installed in OEM cylinders
– Forged piston kit
– Head and base gasket set
Specifications:
– Bore Size 106mm (117 cubic inch)
– The compression ratio average is 10.5:1. Compression ratio can vary with cylinder head volume and must be double checked by the engine builder
– This kit is designed for Victory models with the 106″ engine
Note: This is a service big bore kit. You MUST send in your OEM cylinders to be serviced.
