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Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
Universal size
Reduces sound output with minimal increase in back pressure
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‹¯¨Honda CRM250 1989-2004Honda XR250R 1987-2006Honda XR400 1996-2006Honda XR600 1987-2002
Unique frictional profile optimizes supercharger performance
BBR 88cc Big Bore Kit XR/CRF50 | 411-HXR-5400 CaliperGuard Universal sizeTechnical Information Fitment: Honda XR CRF50 (2000 Present) Convert your CRF XR50 to an 88cc screamer with this complete kit. Everything is included to upgrade the performance of you mini bike. This kit uses your stock CRF XR50 cylinder head. Aluminum BBR cylinder Special 52mm piston specially designed to work with your stock cylinder head's combustion chamber BBR special grind camshaft take full advantage of the large piston for great performance
