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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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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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Such an awsome engine

thanks Karl for building such an awesome engine,first time out. two ftd,s and a new class record at doune last weekend
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Great job!

A big thanks to you Karl who made it possible to send us an engine that fast. We’re very happy that there are people out there like you who are...
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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-M4003 CP Piston Kit 83mm M4003

  • Model: EXTCPK4003
  • Shipping Weight: 3.5kgs
  • £750.00

Piston Kit only M4003

99-07 Suzuki Hayabusa 14:1 Gas ports

83mm Bore +2mm oversize (1363cc)

7-10 days delivery.

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New Products For November - ALL PRODUCTS

Next Day Delivery available on most parts

All major credit and debit cards accepted through

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