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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
Massive horsepower and torque gains
🔹 Precision Fit & Easy Installation – Direct bolt-on design with all necessary hardware included
- Two mounting options for both short neck and long neck throttle body/manifold
A lightweight carbon fiber endcap incorporates a chrome "D3" emblem
BBR Big Bore Kit - 88cc XR/CRF70, 97-12 Z50 Massive horsepower and torque gainsEngineered and developed by BBR. This cylinder retains skid plate mounts and includes: BBR aluminum cylinder, piston kit, and gaskets. Custom piston designed specifically for the OEM Honda XR CRF70 cylinder head . The most reliable kit available. Runs great with stock carb or bolt on BBR's 18mm carb kit. Cylinder retains skid plate mounts BBR aluminum cylinder 52mm piston specially designed to work with your stock cylinder head's combustion chamber
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