NCY Big Valve High-Flow Cylinder Head - 61mm GY6 (171cc) VRM054 Eliminate intake restrictions and improve

Eliminate intake restrictions and improve throttle response with the NCY PTFE-Coated Performance Intake Manifold

and custom projects

Pad dimensions: 61

Oil Cap O-Rings (rubber)

NCY Big Valve High-Flow Cylinder Head - 61mm GY6 (171cc) VRM054 Eliminate intake restrictions and improveMaximize your motor's torque and top end breathing capacity with the premium NCY Big Valve High Flow Cylinder Head. Engineered specifically to complement large displacement performance upgrades, this 61mm cylinder head features optimized porting and oversized valves that allow your engine to move air in and out of the combustion chamber far more efficiently. The result is an immediate boost in throttle response, cleaner acceleration, and smoother