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Oversized valves for improved flow thru the Head. A set of +0.5mm Intake and +1.5mm Exhaust valves.
For the 1st generation MINI Cooper and Cooper S models including 2002-2006 R50 & R53 Hardtop and 2005-2008 R52 Convertible.
Oversized Performance Valve Set Gen1 MINI Cooper Cooper S R50 R52 R53

Oversized Performance Valve Set Gen1 MINI Cooper Cooper S R50 R52 R53

Oversized Performance Valve Set Gen1 MINI Cooper Cooper S R50 R52 R53

Oversized Performance Valve Set Gen1 MINI Cooper Cooper S R50 R52 R53

Oversized Performance Valve Set Gen1 MINI Cooper Cooper S R50 R52 R53

Oversized Performance Valve Set Gen1 MINI Cooper Cooper S R50 R52 R53

Oversized Performance Valve Set Gen1 MINI Cooper Cooper S R50 R52 R53
Qty:
Internet Price $358.95
Part No: NME6026
Internet Price $358.95

Oversized valves designed specifically for the extreme conditions in the MINI Cooper S supercharged motor. +0.5mm Intake and +1.5mm Exhaust valves allows the use of MINI Cooper factory seats and will outperform factory valves when matched to a properly ported head. Includes 8 Intake and 8 Exhaust valves.

Fits the following models:

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


These valves do not require oversized valve seats.

The Intake valve has a +0.5mm oversize head made from high nickel alloy 21-4n material, deep stem undercut for higher flow rate, fully machined, swirl polished, close tolerance stem, QPQ black nitride finish provides higher surface hardness with low friction for improved stem wear. Valve seat surface is harder with the nitride layer, resisting corrosion buildup and lasting longer with lead free fuels, alcohols, nitro or other "explosive" mixes. Backcut for improved flow.

The Exhaust valve has a +1.5mm oversize head made from inconel and carbon steel stem material, deep stem undercut for higher flow rate, fully machined, swirl polished, close tolerance stem, QPQ black nitride finish provides higher surface harness with low friction for improved stem wear. Valve seat surface is harder with the nitride layer, resisting corrosion buildup and lasting longer with lead free fuels, alcohols, nitro or other "explosive" mixes. Backcut for improved flow.

Check local regulations on conformity for street use.

Recommended items for: NME6026
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This Item (NME6026) Fits the following cars:
  • 2006
  • MINI Cooper
  • Convertible R52
  • Automatic
  • 2006
  • MINI Cooper
  • Convertible R52
  • Manual
  • 2006
  • MINI Cooper
  • Hatchback R50
  • Automatic
  • 2006
  • MINI Cooper
  • Hatchback R50
  • Manual
  • 2006
  • MINI Cooper S
  • Convertible R52
  • Automatic
  • 2006
  • MINI Cooper S
  • Convertible R52
  • Manual
  • 2006
  • MINI Cooper S
  • Hatchback R53
  • Automatic
  • 2006
  • MINI Cooper S
  • Hatchback R53
  • Manual
  • 2005
  • MINI Cooper
  • Convertible R52
  • Automatic
  • 2005
  • MINI Cooper
  • Convertible R52
  • Manual
  • 2005
  • MINI Cooper
  • Hatchback R50
  • Automatic
  • 2005
  • MINI Cooper
  • Hatchback R50
  • Manual
  • 2005
  • MINI Cooper S
  • Convertible R52
  • Automatic
  • 2005
  • MINI Cooper S
  • Convertible R52
  • Manual
  • 2005
  • MINI Cooper S
  • Hatchback R53
  • Automatic
  • 2005
  • MINI Cooper S
  • Hatchback R53
  • Manual
  • 2004
  • MINI Cooper
  • Hatchback R50
  • Automatic
  • 2004
  • MINI Cooper
  • Hatchback R50
  • Manual
  • 2004
  • MINI Cooper S
  • Hatchback R53
  • Manual
  • 2003
  • MINI Cooper
  • Hatchback R50
  • Automatic
  • 2003
  • MINI Cooper
  • Hatchback R50
  • Manual
  • 2003
  • MINI Cooper S
  • Hatchback R53
  • Manual
  • 2002
  • MINI Cooper
  • Hatchback R50
  • Automatic
  • 2002
  • MINI Cooper
  • Hatchback R50
  • Manual
  • 2002
  • MINI Cooper S
  • Hatchback R53
  • Manual
Related Technical Articles:
Cylinder head intake and exhaust valves - BMW MINI Cooper
Created: January 17, 2014
We offer the most complete selection in the country of original equipment and after market performance parts for the MINI aluminum cylinder head. The introduction of a cost effective alternative for stock valves compliments our existing range of performance and over-sized valves for both the first and second generation models of the MINI.
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.
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