Heavy Duty Dual Valve Spring Kit Honda GROM / MSX 125 / Monkey
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Heavy Duty Dual Valve Spring Kit.
Specifically designed to prevent valve float under High RPM use (11,000 RPM +)
This is a great mod to keep as much reliability as possible out of the stock head when using stock valves or our oversized valves.
Includes Dual Valve Springs, Spring Seats, Retainers