This is a genuine OEM Honda cylinder head camshaft holder and rocker arm assembly for classic twin-cylinder vintage motorcycles. This factory cast-aluminum assembly houses the rocker arm shafts and supports proper top-end stability and overhead valve operation. The assembly includes the standard four-bolt cylinder head mounting layout, oil passage channels, and integrated left and right rocker arm assemblies. It is ideal for vintage restoration work, top-end rebuilds, or replacement of a worn rocker tower base. Brand: Honda OEM Part Type: Camshaft Holder / Rocker Arm Tower Base OEM Part Number: 12231-399-010 / 14431-116-010 Casting Number: 104 Material: Cast Aluminum Vehicle Compatibility: Honda CM185 Twinstar CM185T: 1978, 1979 Honda CM200 Twinstar CM200T: 1980, 1981, 1982 Also compatible with select related Honda small-displacement twin-cylinder OHC platforms. Always verify fitment before installation. Total letters: 890
Please verify compatibility with your specific motorcycle model before purchasing.
Cleaning Status
partially_cleaned
Cleaning Notes
Used degreaser
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Estimated delivery: 2-5 business days
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Yes, all parts with OEM numbers are genuine manufacturer parts. Check the specifications tab for the OEM number.
We offer a 30-day return policy. Items must be in original condition. See the Shipping tab for complete details.
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location.
Parts are sold separately. We recommend professional installation for safety and warranty purposes.
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