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Manley 90-99 Mazda Miata 1.8L (BP056) DOHC 16 Intake 34mm Stainless Race Master Valves

SKU: MAN11104-8

Valves

MAN Race Master Valves...

Manley 90-99 Mazda Miata 1.8L (BP056) DOHC 16 Intake 34mm Stainless Race Master Valves

SKU: MAN11104-8

Valves

MAN Race Master Valves...

A$408.77
Limited Availability from MFR Limited stock available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical orders of this part. This item is not held in our own warehouse, and availability and release timing may vary depending on manufacturer stock movements and processing at the time of ordering.
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Description

Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM.

Part Type

Engine Intake Valve

Data: v4.2 - Upd: 2026-10-13 17:06:35

Features

  • Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.
  • Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.
  • Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.
  • Swirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.
  • Variety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine's specific requirements.

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
11104-8
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Race Series Stainless Steel Valves
Product Attributes - UPC
807298055855
Product Attributes - Valve Position
Intake
Product Attributes - Intake Valve Head Diameter (in.)
1.339 in.
Product Attributes - Intake Valve Head Diameter (mm)
34.000mm
Product Attributes - Intake Valve Stem Diameter (in.)
0.236 in.
Product Attributes - Intake Valve Stem Diameter (mm)
5.99mm
Product Attributes - Intake Overall Valve Length (in.)
3.992 in.
Product Attributes - Intake Overall Valve Length (mm)
101.400mm
Product Attributes - Undercut Stem
Yes
Product Attributes - Swirl-Polished
Yes
Product Attributes - Valve Tip Length (in.)
0.138 in.
Product Attributes - Valve Tip Length (mm)
3.505mm
Product Attributes - Valve Material
NK-842 stainless steel
Product Attributes - Valve Head Style
17 degree dish
Product Attributes - Valve Seat Width (in.)
0.075 in.
Product Attributes - Quantity
Sold as a set of 8.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man11104-8
SFX Item ID 4061335
Supplier Item Code 4061335
Manufacturer SKU 11104-8
Manufacturer UPC 807298055855
Alternative References 1.8L, (BP056), 34mm

Compatibility

Application Data
  • Valve FitmentSearch by engine
    MakeMAZDA
    Beginning Year1994
    Ending Year1997
    Engine TypeL4
    Engine Size1.8L/1839cc
    Engine FamilyMazda 4-cylinder
    Valve Installed LengthStock
    Cylinder Head Style (application)Stock configuration
  • Valve FitmentSearch by engine
    MakeMAZDA
    Beginning Year1999
    Ending Year1999
    Engine TypeL4
    Engine Size1.8L/1839cc
    Engine FamilyMazda 4-cylinder
    Valve Installed LengthStock
    Cylinder Head Style (application)Stock configuration

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