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Manley Street Master Valves 10868-8 Valve, Intake, Stainless Steel, 2.250 in. Diameter, .342 in. Stem, 5.494 in. Length, Set of 8

SKU: MAN10868-8

Valves

Manley Street Master Valves 10868-8 Valve, Intake, Stainless Steel, 2.250 in. Diameter, .342 in. Stem, 5.494 in. Length, Set of 8

SKU: MAN10868-8

Valves
A$310.89
Available from MFR. In stock at 1 location (2 available)

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Description

Intake Valve - Street Master - 2.250 in Head - 11/32 in Valve Stem - 5.494 in Long - Stainless - Big Block Chevy - Set of 8

Valve - Intake

Manley Street Series valves are the ideal choice for enthusiasts looking to boost the performance of a stock or mildly modified street engine.

Additional Information

Manley Valve - Intake, Valve-BBC S/M 2.250,+250

Part Type

Engine Intake Valve

Data: v4.2 - Upd: 2026-11-09 03:39:26

Features

  • Chrome Stems and Hard Tips: These valves feature chrome stems and hard tips for increased durability and wear resistance, making them suitable for demanding applications.
  • High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity.
  • Swirl Polished and Fully Machined: The under head areas are meticulously swirl polished, and the combustion faces are fully machined, enhancing airflow and combustion efficiency.
  • Variety of Shapes: Choose from the Street Master (Straight Stem) or Street Flo shapes, allowing you to customize your valve selection based on your specific needs.

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 05:27:09

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Manley Performance, Manley
StreetFX SKU man10868-8
SFX Item ID 4927457
Accounting SKU man-10868-8
Manufacturer SKU 10868-8
Manufacturer UPC 807298077369
Alternative References 10868-8, MAN-10868-8

Valve, Intake, Stainless Steel, 2.250 in. Diameter, .342 in. Stem, 5.494 in. Length, Set of 8

Manley Street Master valves are excellent-quality valves at an affordable price. All are made from stainless steel (intakes are NK-841; exhausts are XH-424) with chrome stems and hardened valve tips. Street Master series valves are fully machined and swirl polished, and both the materials used and the heat-treating process are superior to those of the Budget replacement series valves. They're available in a variety of head diameters, with either straight or undercut stems for increased flow. Order the set that's compatible with your vehicle and engine application.

Product Attributes
BrandManley
Manufacturer's Part Number10868-8
Part TypeValves
Product LineManley Street Master Valves
UPC807298077369
Valve PositionIntake
Intake Valve Head Diameter (in.)2.250 in.
Intake Valve Head Diameter (mm)57.150mm
Intake Valve Stem Diameter (in.)0.342 in.
Intake Valve Stem Diameter (mm)8.69mm
Intake Overall Valve Length (in.)5.494 in.
Intake Overall Valve Length (mm)139.548mm
Undercut StemNo
Swirl-PolishedYes
Valve Tip Length (in.)0.250 in.
Valve Tip Length (mm)6.350mm
Valve MaterialNK-841 stainless steel
Lock Groove Quantity1-groove
Lock Groove StyleConventional
Approximate Weight (g)135
Valve Head Style5 degree dish
Valve Seat Width (in.)0.080 in.
QuantitySold as a set of 8.
NotesUnderhead angle/radius 10 x .375 in. Margin 0.050 in.

Compatibility

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