X-21S052
X-21S052 X-Act .21 Pro 5 Clear Coated Crank
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Replacement Coated Cranshaft for the XACT Pro 5 .21 Engine.
Coating the crankshaft helps to reduce friction and improve wear life, it can also help prevent corrosion.
Please note later models supplied as spares have a clear hardening process rather than the black coating.