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Tomei 35.15mm Intake 31.15mm Exhaust Racing Valves Set for Nissan SR20DET TA303A-NS08A

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Availability: 2-3 Weeks

Excl. VAT: £408.38 Incl. VAT: £490.06
Excl. VAT: £408.38 Incl. VAT: £490.06
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Product Description


Tomei intake and exhaust valves are high-flow, ultra durable, and heat resistant race spec valves that are designed to withstand high power applications.


The oversized head diameter is designed specifically for each application, significantly improving the flow rate.

Waisted Stem 

The waisted stem allows a greater volume of air/gases to enter and exit the combustion chamber as the valve extends. (not available on some models)

Engine Specific Design 

Each valve is designed and precision machined specifically for the intended engine/application.The head, face, stem and lock groove designs have also been optimized to enhance sealing performance, efficiency and durability.

Intake Valves

The intake valves are made using SUH35 HEAT RESISTANT STEEL which is more commonly used to make exhaust valves. These are then coated with a special formula that further improves the valves' resistance to heat, wear and corrosion.

Exhaust Valves

In order to withstand temperatures of up to around 1000 Degree Celsius, the exhaust valves are made using a nickel based heat resistant alloy, INCONEL 751.


Intake Valves
Head Size: 35.15mm
Valve Head Size: +1mm
Intake Valves Stem Diameter: 5.97mm
Valve Length: 101.40mm

Exhaust Valves
Head Size: 31.15mm
Valve Head Size: +1mm
Stem Diameter: 6.94mm
Valve Length: 102.40mm


Nissan Silvia S13 180SX SR20DET

Nissan Silvia S14 200SX SR20DET

Nissan Silvia S15 SR20DET


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