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Stock Cylinder Head that has been refurbished - a cost effective way to replace your 'tired' cylinder head. If you have a high mileage head with worn valve guides, bad seats, or burnt valves, this replacement is the solution.  These are complete Cooper S heads with valves, rocker assembly, and camshaft, but can be used on both Cooper and Cooper S models.

Fits the following models:

2002-2006 R50 Cooper
2005-2008 R52 Cooper and Cooper S Convertible
2002-2006 R53 Cooper and Cooper S Hatchback

These are NOT just 'cleaned up' used heads. They are thoroughly inspected and tested and everything is brought back to spec with a full valve job. This includes:

  • Thorough cleaning to start
  • Pressure tested (at high pressure) for leaks or cracks
  • All new valve seals
  • Re-cut valves and seats
  • New guides where needed (most are usually replaced)
  • Re-surfaced to spec

There is a refundable CORE CHARGE which will be refunded when we receive your 'complete' and 'rebuildable' core. Heads with cracks, severe warpage, piston to head contact or any physical defects will NOT qualify for a refund. Core must be complete and fully assembled with rockers and valve assembly intact (as shown in the photos - with the camshaft).

1 Year Limited Warranty from the Manufacturer

All remanufactured cylinder heads are warranted against defects and are not unconditionally guaranteed against all hazards. All remanufactured cylinder heads are warranted for a period of 12 months - Unlimited Mileage.

Warranty is void regardless of time or mileage under any of the following conditions:

  • Improper installation or application
  • Faulty cooling system - radiator, water pump, thermostat, etc...
  • Engine overheating
  • Heat Tab melted or removed.

This warranty is limited to replacement of defective cylinder head only. No labor allowance is given or intended. The obligations assumed under this warranty are limited to replacement of defective cylinder head only, as herein provided, and are in lieu of all other obligations, warranties or guarantees, either expressed or implied.

The cylinder head in question must be returned to the manufacturer for inspection and failure / defect analysis. It is understood that the return of the defective cylinder head is essential and that no warranty consideration will be given without doing so.

The cylinder head must be returned uncleaned and without removal of any valves, springs, and/or other related parts. Replacement or Credit, if due, will be issued only after such conditions have been met.

Mini Cooper Cylinder Head Refurbished R50 R52 R53

Mini Cooper Cylinder Head Refurbished R50 R52 R53

Mini Cooper Cylinder Head Refurbished R50 R52 R53

Mini Cooper Cylinder Head Refurbished R50 R52 R53

Mini Cooper Cylinder Head Refurbished R50 R52 R53

Mini Cooper Cylinder Head Refurbished R50 R52 R53

Mini Cooper Cylinder Head Refurbished R50 R52 R53
Part No: NME6006
This item is not available.
This Item has a $500.00 core charge.
Fits the following:
MINI (2002-Current)
Alternate Products
Mini Cooper Cylinder Head Oem Gen1 R50 R52 R53
Mini Cooper Cylinder Head Oem Gen1 R50 R52 R53
Stock Cylinder Head that has been refurbished - a cost effective way to replace your 'tired' cylinder head. If you have a high mileage head with worn valve guides, bad seats, or burnt valves, this replacement is the solution.  These are complete Cooper S heads with valves, rocker assembly, and camshaft, but can be used on both Cooper and Cooper S models.

Fits the following models:

2002-2006 R50 Cooper
2005-2008 R52 Cooper and Cooper S Convertible
2002-2006 R53 Cooper and Cooper S Hatchback

These are NOT just 'cleaned up' used heads. They are thoroughly inspected and tested and everything is brought back to spec with a full valve job. This includes:

  • Thorough cleaning to start
  • Pressure tested (at high pressure) for leaks or cracks
  • All new valve seals
  • Re-cut valves and seats
  • New guides where needed (most are usually replaced)
  • Re-surfaced to spec

There is a refundable CORE CHARGE which will be refunded when we receive your 'complete' and 'rebuildable' core. Heads with cracks, severe warpage, piston to head contact or any physical defects will NOT qualify for a refund. Core must be complete and fully assembled with rockers and valve assembly intact (as shown in the photos - with the camshaft).

1 Year Limited Warranty from the Manufacturer

All remanufactured cylinder heads are warranted against defects and are not unconditionally guaranteed against all hazards. All remanufactured cylinder heads are warranted for a period of 12 months - Unlimited Mileage.

Warranty is void regardless of time or mileage under any of the following conditions:

  • Improper installation or application
  • Faulty cooling system - radiator, water pump, thermostat, etc...
  • Engine overheating
  • Heat Tab melted or removed.

This warranty is limited to replacement of defective cylinder head only. No labor allowance is given or intended. The obligations assumed under this warranty are limited to replacement of defective cylinder head only, as herein provided, and are in lieu of all other obligations, warranties or guarantees, either expressed or implied.

The cylinder head in question must be returned to the manufacturer for inspection and failure / defect analysis. It is understood that the return of the defective cylinder head is essential and that no warranty consideration will be given without doing so.

The cylinder head must be returned uncleaned and without removal of any valves, springs, and/or other related parts. Replacement or Credit, if due, will be issued only after such conditions have been met.

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Related Technical Articles:
Cylinder Head Performance Improvement
Created: December 30, 2005
There is no single 'magic bullet' upgrade that will take your MINI to optimum horsepower, as all components are designed to work together to give the best performance. This technical paper explains what happens when an upgrade is installed on a stock cylinder head, and what changes you might want to make next to take maximum advantage of that extra boost.