3TC Yamaha TZ250 cylinder heads - pair #1A
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3TC Yamaha TZ250 cylinder heads - pair #1A
£150.00
3TC Yamaha TZ250 cylinder heads, a pair, #1A. These are a clean pair of modified heads. They have been skimmed and reprofiled to give an increase in compression, utilising a slightly thicker base gasket to raise the ports. Common performance modification, so remember to measure the volume and fit the appropriate thickness base gasket when assembling the engine.