The XRAY 338540 Flywheel Collar is built to pair with Novarossi engines, offering a precise 7mm seating that improves crank alignment. Its tight tolerance fit aims to cut down on unwanted movement and keeps engine behaviour predictable during runs.
With accurate machining, this 7mm collar helps maintain consistent contact between the flywheel and crank, reducing play that can accelerate component wear. It is a straightforward upgrade for tuners and casual drivers who want dependable engine setup parts.
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