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Tomei Oversize Valves
Tomei

The Tomei Oversize Valves have been designed from the ground up for increased strength and fatigue resistance while improving air flow and therefore engine performance.

The Tomei Oversize Valves have been designed from the ground up for increased strength and fatigue resistance while improving air flow and therefore engine performance.

  • 1mm oversized compared to standard
  • Designed for increased flow efficiency on intake and exhaust
  • Thinner exhaust stem design enabling greater air flow and lighter weigh
  • High precision design for optimum sealing capabilities 
  • Surface treatment on intake side for improved wear, fatigue rate with improved heat and corrosion resistance
  • Intake side features SUH35 material for high heat resistance
  • Exhaust side features Iconel 751 material for the highest level of heat resistance
  • Please see the exact size specifications from Tomei under Links below.

Further information available from Tomei under Links below.

 

 

This part usually ships 12 days after payment.

All Tomei parts at great prices!

The entire Tomei range is now available at our best ever prices. Direct from Japan, we can supply the entire Tomei catalogue shipped anywhere in the world at the most competitive prices online.

Product Version Price Order
163400
Nissan - BNR32/BCNR33/BNR34 - RB26DETT - IN+EX Set
USD $ 601.31
USD $ 709.92

Vehicle Compatibility

Nissan - Skyline - R32 GTR - BNR32
Nissan - Skyline - R33 GTR - BCNR33
Nissan - Skyline - R34 GTR - BNR34

Vehicle Compatibility

Nissan - Skyline - R32 GTR - BNR32
Nissan - Skyline - R33 GTR - BCNR33
Nissan - Skyline - R34 GTR - BNR34
163401
Nissan - PS13/S14/S15 - SR20DET - IN+EX Set
USD $ 400.88
USD $ 473.28

Vehicle Compatibility

Nissan - Silvia - PS13 (Red Top)
Nissan - Silvia - S14 S1
Nissan - Silvia - S14 S2
Nissan - Silvia - S15
Nissan - 180SX - RPS13 S2 (Black Head)
Nissan - 180SX - RPS13 S1 (Red Head)
Nissan - 180SX - RPS13 S3 (Black Head)

Vehicle Compatibility

Nissan - Silvia - PS13 (Red Top)
Nissan - Silvia - S14 S1
Nissan - Silvia - S14 S2
Nissan - Silvia - S15
Nissan - 180SX - RPS13 S2 (Black Head)
Nissan - 180SX - RPS13 S1 (Red Head)
Nissan - 180SX - RPS13 S3 (Black Head)
163402
Mitsubishi - Evo4-9 - 4G63 - IN+EX Set
USD $ 400.88
USD $ 473.28

Vehicle Compatibility

Mitsubishi - EVO V - CP9A
Mitsubishi - EVO VI - CP9A
Mitsubishi - EVO VII - CT9A
Mitsubishi - EVO VIII - CT9A
Mitsubishi - EVO IV - CN9A
Mitsubishi - EVO IX - CT9A

Vehicle Compatibility

Mitsubishi - EVO V - CP9A
Mitsubishi - EVO VI - CP9A
Mitsubishi - EVO VII - CT9A
Mitsubishi - EVO VIII - CT9A
Mitsubishi - EVO IV - CN9A
Mitsubishi - EVO IX - CT9A
163403
Subaru - Impreza GDB C-G - EJ207/255 - IN+EX Set
USD $ 400.88
USD $ 473.28

Vehicle Compatibility

Subaru - Impreza - GDB

Vehicle Compatibility

Subaru - Impreza - GDB
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Nengun Performance
NENGUN CO. LTD
4798-455 Imazu
Nishi-ku, Fukuoka
Japan, 819-0165

Kobutsuho No.
901080810037