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2Bros MCS LTD Company number 16176735 - Vat No. GB 508324506 - info@2bros-mx.com - Tel: 03301333748
The +4mm Big Bore Cylinder Kit (Part Number: 11002-K01) is designed to increase the performance of Honda CRF450R models from 2002 to 2008. With a larger bore size, this kit boosts displacement to 488cc, achieving a compression ratio of 12.1:1. When paired with the Hot Rods #4148 crankshaft, displacement increases further to 511cc. This kit includes all components needed for installation, making it an ideal upgrade for enhanced power and performance.
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