MWR Valve Set (16) – 2ZZ-GE Stainless Flat Face (Standard Size)



Includes 8 intake and 8 exhaust valves

Flat faced version of our popular valve raises your compression ratio by ~0.3 point (11.5 -> 11.8) for improved NA power output while also providing all of the other benefits of our standard valves.

2005-12 Lotus Elise, Exige, 2-eleven with 2ZZ engine
2000-05 Celica GTS
2003-07 Matrix XRS
2005-07 Corolla XRS
Corolla Runx and other models equipped with 2ZZ engine
All other 2zz applications

Manufactured to the highest standards, these valves will take just about any reasonable abuse you throw at them.


  • Undercut, back cut, and swirl polished for maximum flow and power at all valve lifts.
  • One piece forged, high temperature, high nickel, stainless steel alloy SAE EV8. This material is stronger and less brittle than the competition’s cheaper 21-2N stainless at high temperatures- critical for forced induction applications.
  • 3-stage heat treatment hardens tip and allows the valves to be super strong and super tough- if they do somehow hit the pistons they often bend rather than breaking, minimizing engine damage. DO NOT try that with the competition’s valves.
  • CNC finished to strict tolerances for the ultimate in fitment and durability.
  • Advanced nitride treatment process that both hardens the surface of the entire valve and reduces friction between the valve stem and guide. This means better high-RPM durability and better all-around efficiency. It also does not flake off like inferior chrome coatings used by the competition.

Additional information

Weight 2 lbs
Dimensions 5 × 5 × 5 in


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