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Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8)

SKU: MAN11620-8

Valves

MAN Race Flo Valves...

Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8)

SKU: MAN11620-8

Valves

MAN Race Flo Valves...

A$422.11
LOW STOCK! Est Ship 3-5 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.
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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 21:34:18

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
11620-8
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Race Series Stainless Steel Valves
Product Attributes - UPC
807298051185
Product Attributes - Valve Position
Intake
Product Attributes - Intake Valve Head Diameter (in.)
2.165 in.
Product Attributes - Intake Valve Head Diameter (mm)
54.991mm
Product Attributes - Intake Valve Stem Diameter (in.)
0.313 in.
Product Attributes - Intake Valve Stem Diameter (mm)
7.96mm
Product Attributes - Intake Overall Valve Length (in.)
4.900 in.
Product Attributes - Intake Overall Valve Length (mm)
124.460mm
Product Attributes - Undercut Stem
Yes
Product Attributes - Swirl-Polished
Yes
Product Attributes - Valve Tip Length (in.)
0.160 in.
Product Attributes - Valve Tip Length (mm)
4.064mm
Product Attributes - Valve Material
NK-842 stainless steel
Product Attributes - Lock Groove Quantity
1-groove
Product Attributes - Lock Groove Style
Conventional
Product Attributes - Approximate Weight (g)
117
Product Attributes - Valve Head Style
7 degree dish
Product Attributes - Valve Seat Width (in.)
0.100 in.
Product Attributes - Quantity
Sold as a set of 8.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man11620-8
SFX Item ID 4060463
Supplier Item Code 4060463
Manufacturer SKU 11620-8
Manufacturer UPC 807298051185
Alternative References LS-3/L-99, (L-92

Compatibility

Application Data
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year2008
    Ending Year2017
    Engine TypeV8
    Engine Size6.2L/376
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Valve Installed LengthStock
    Cylinder Head Style (application)L92
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year2010
    Ending Year2017
    Engine TypeV8
    Engine Size6.2L/376
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Valve Installed LengthStock
    Cylinder Head Style (application)L92

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