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Manley Race Series Stainless Steel Valves 11578-1 Valve, Intake, Steel, 1.850 in. Diameter, .342 in. Stem, 5.075 in. Length, Ford, Each

SKU: MAN11578-1

Valves

Manley Race Series Stainless Steel Valves 11578-1 Valve, Intake, Steel, 1.850 in. Diameter, .342 in. Stem, 5.075 in. Length, Ford, Each

SKU: MAN11578-1

Valves
A$71.27
BACKORDER This item will be special ordered in for you. Contact us prior to purchase if you require an ETA.

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Description


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 05:27:50

Data: v4.2 - Upd: 2026-11-08 17:50:26

Features

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 man11578-1
SFX Item ID 4928242
Accounting SKU man-11578-1
Manufacturer SKU 11578-1
Manufacturer UPC 807298050546
Alternative References 11578-1, MAN-11578-1

Valve, Intake, Stainless Steel, 1.850 in. Diameter, .342 in. Stem, 5.075 in. Length, Ford, Each

Manley Race series performance valves are a great choice for your bracket, oval track, or high performance street engine. All valves are made from stainless steel (intakes are NK-842; exhausts are XH-426) with chrome stems and hardened valve tips. In addition to being made from high-quality materials, Race series valves are swirl polished and fully machined.

Product Attributes
BrandManley
Manufacturer's Part Number11578-1
Part TypeValves
Product LineManley Race Series Stainless Steel Valves
UPC807298050546
Valve PositionIntake
Intake Valve Head Diameter (in.)1.850 in.
Intake Valve Head Diameter (mm)46.990mm
Intake Valve Stem Diameter (in.)0.342 in.
Intake Valve Stem Diameter (mm)8.69mm
Intake Overall Valve Length (in.)5.075 in.
Intake Overall Valve Length (mm)128.905mm
Undercut StemYes
Swirl-PolishedYes
Valve Tip Length (in.)0.395 in.
Valve Tip Length (mm)10.033mm
Valve MaterialNK-842 stainless steel
Lock Groove Quantity1-groove
Lock Groove StyleConventional
Approximate Weight (g)105
Valve Head Style5 degree dish
Valve Seat Width (in.)0.080 in.
QuantitySold individually.
NotesDesigned for use with rail type rocker arms.

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