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Manley Severe Duty Series Stainless Steel Valves 12815-1 Valves, Exhaust, Duty, Steel, 1.880 in.Diameter, 0.311 in. Stem, 5.422 in. Length, Set of 8

SKU: MAN12815-1

Valves

Manley Severe Duty Series Stainless Steel Valves 12815-1 Valves, Exhaust, Duty, Steel, 1.880 in.Diameter, 0.311 in. Stem, 5.422 in. Length, Set of 8

SKU: MAN12815-1

Valves
A$108.05
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 05:27:56

Data: v4.2 - Upd: 2026-11-08 17:50:24

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 man12815-1
SFX Item ID 4928366
Accounting SKU man-12815-1
Manufacturer SKU 12815-1
Manufacturer UPC 807298008905
Alternative References 12815-1, MAN-12815-1

Valves, Exhaust, Severe Duty, Stainless Steel, 1.880 in.Diameter, 0.311 in. Stem, 5.422 in. Length, Set of 8

Manley Severe Duty series performance valves are a great choice for your high performance or race engine. All valves are made from stainless steel (intakes are NK-844; exhausts are XH-428) with chrome stems and hardened valve tips. Severe Duty series valves are made of superior materials, are fully machined and swirl polished, and are available with either undercut "Pro Flo" stems or straight stems.

Product Attributes
BrandManley
Manufacturer's Part Number12815-1
Part TypeValves
Product LineManley Severe Duty Series Stainless Steel Valves
UPC807298008905
Valve PositionExhaust
Exhaust Valve Head Diameter (in.)1.880 in.
Exhaust Valve Head Diameter (mm)47.752mm
Exhaust Valve Stem Diameter (in.)0.311 in.
Exhaust Valve Stem Diameter (mm)7.90mm
Exhaust Overall Valve Length (in.)5.422 in.
Exhaust Overall Valve Length (mm)137.719mm
Undercut StemNo
Swirl-PolishedYes
Valve Tip Length (in.)0.250 in.
Valve Tip Length (mm)6.350mm
Valve MaterialStainless steel
Lock Groove Quantity1-groove
Lock Groove StyleBeadlock
Approximate Weight (g)110
Valve Head Style7 degree dish
Valve Seat Width (in.)0.100 in.
QuantitySold individually.
NotesUnder head angle/radius 12 x 3/8 in.

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