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John Cooper 1275cc SPi 82bhp Conversion


Made in UK GENUINE COOPER Classic Mini Parts. Made in UK

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exc Tax: £1,792.78 inc Tax: £2,151.34
Availability: In stock

Availability: In stock

exc Tax: £1,792.78 inc Tax: £2,151.34


John Cooper conversions are renown the world over for quality and reliability. Our retro conersions are available for all Cooper SPi models from 1992 onwards. All conversions are thoroughly tried and tested and will enhance the Mini Cooper driving experience. An evolution of our "Si" Pack with a boost in power to 82bhp. This is achieved with larger inlet valves fitted to the polished and ported cylinder head and the addition of high lift valve rocker assemblies. An oil cooler kit is also included together with Cooper S decals and authenticity chassis plate.


  • Mini Road (ST3) 1275 SPI Cylinder Head - Finished in Cooper Blue
  • 1.5:1 High lift roller tip rockers - finished in red with Cooper logo and John Cooper Signature
  • Maniflow LCB Exhaust Manifold - finished in Black
  • Maniflow Twin Silencer Side Exit Twin Upswept Exhaust system - finished in Black with Stainless Tail Finishers
  • K & N Cold Air Induction kit
  • High Power NGK Spark plugs
  • Aluminium Alloy Rocker Cover with Cooper Engineered Decal
  • Chrome Rocker Cover Cap with John Cooper signature
  • Chrome Rocker Cover T bars
  • Cooper oil cooler kit
  • Stainless Steel Braided Oil Cooler Pipes
  • Cooper Conversion Cross-member plate - uniquely numbered to your conversion
  • Cooper S Rear Quarter and Boot Decal supplied in either Black or White to match your Cooper.
  • Official Conversion Certificate - signed by Mike Cooper
  • Cooper Leather Key ring
  • John Cooper Rear Window Decal
  • Cooper Pin Badge
  • Cooper Silver Wheel Centre Cap Decals
  • Complete fitting kit

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