Bicycle Motor Works 6C-CMP-HD – 6.0cc Billet High Compression Head (Pack of 1)

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Engineered for use on ALL 66/80cc 2-stroke bicycle engines with 8mm studs. From stock to highly modified, these heads offer TRUE bolt-on performance for any engine! The aggressive & original design of our combustion chamber promises to deliver quick, even combustion of fuel when you need it. And our head offers more surface area than any other head on the market. More surface area = more cooling! The smooth retro look doesn’t hurt anything either. The head has a versatile 6cc volume compression chamber which works great with regular gas from the pump. Only the most advanced race engines that are heavily modified with bigger carburetors & super-high flow exhausts would need race fuel with this head.

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