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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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Another fantastic resul

another fantastic result at prescott, thanks again karl for an awesome engine
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Smooth, sharp and quick

Hi Karl Just a quick note t0 let you know my engine feels very smooth, sharp and quick, looking forward to getting on track, thanks again for a...
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Just wanted to say … Thankyou !!

Hi Carl Just wanted to say … Thankyou !! You striped and rebuilt my Hayabusa back in 2009 and it is still running like a dream in my Dax Rush...
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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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EXT-10009 Hayabusa H/Duty Valve Spring & Steel Retainer Kit

  • Model: EXT10009
  • Shipping Weight: 2.5kgs
  • £335.00

Fits Models 99 Onwards

Set of High Lift Valve Springs with Steel Retainers for use with Extreme High Lift Cams.

Seat pressure 45lb

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Next Day Delivery available on most parts

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