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Amazed by the quality

I’ve made a few purchases from Extreme Engines. Each time I’m amazed by the quality of the products an the customer service before and after my...
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Thanks again

thanks again karl for building me such a good engine service is second to none what you say is what you do and in the time frame you said facilitys...
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Awesome engine

Thanks again karl for supplying such an awesome engine . i never imagined we would get the results that we managed this year . 1st in class & no5...
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Engine feels fantastic

Hi Karl, Just a quick note to say my engine feels fantastic after your rebuild, great power low down and incredibly drivable! First event at Doune...
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Great info and work

Hi Karl, Cheers for all the great info and work, the Busa pulls fantastic ! smooth as silk. Have taken note on all your tips and will keep to them....
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EXT-M4040B CP Piston Kit 85mm M4040B

  • Model: EXTCPK4040B
  • Shipping Weight: 3.5kgs
  • £750.00

Piston Kit only M4040B 08-13 Hayabusa 13.25:1 85mm Bore +4mm oversize (1475cc) 7-10 days delivery.

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