Fastrax Throttle Return Springs for .21/28 Size Engines (2)

Protect your nitro vehicle from a possible runaway with these handy return springs, specially designed to fit around your carburettor and onto the slide assembly. A failsafe is always the first line of protection but in the event of your servo linkage coming detached a failsafe won't save your vehicle. But this handy little spring just might.

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