Street. Track. Everything between.
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

Manley Severe Duty Series Stainless Steel Valves 11825-1 Valve, Exhaust, Steel, 1.750 in. Diameter, .370 in. Stem, 5.426 in. Length, Ford, Each

SKU: MAN11825-1

Valves

Manley Severe Duty Series Stainless Steel Valves 11825-1 Valve, Exhaust, Steel, 1.750 in. Diameter, .370 in. Stem, 5.426 in. Length, Ford, Each

SKU: MAN11825-1

Valves
A$108.05
BACKORDER This item will be special ordered in for you. Contact us prior to purchase if you require an ETA.
View cart 0
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

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.

Part Type

Valves

Data: v4.2 - Upd: 2026-10-14 10:03:45

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
11825-1
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Severe Duty Series Stainless Steel Valves
Product Attributes - UPC
807298053370
Product Attributes - Valve Position
Exhaust
Product Attributes - Exhaust Valve Head Diameter (in.)
1.750 in.
Product Attributes - Exhaust Valve Head Diameter (mm)
44.450mm
Product Attributes - Exhaust Valve Stem Diameter (in.)
0.370 in.
Product Attributes - Exhaust Valve Stem Diameter (mm)
9.40mm
Product Attributes - Exhaust Overall Valve Length (in.)
5.426 in.
Product Attributes - Exhaust Overall Valve Length (mm)
137.820mm
Product Attributes - Undercut Stem
No
Product Attributes - Swirl-Polished
Yes
Product Attributes - Valve Tip Length (in.)
0.320 in.
Product Attributes - Valve Tip Length (mm)
8.128mm
Product Attributes - Valve Material
XH-428 stainless steel
Product Attributes - Lock Groove Quantity
1-groove
Product Attributes - Lock Groove Style
Conventional
Product Attributes - Approximate Weight (g)
124
Product Attributes - Valve Head Style
15 degree dish
Product Attributes - Valve Seat Width (in.)
0.100 in.
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man11825-1
SFX Item ID 4934037
Supplier Item Code 4934037
Manufacturer SKU 11825-1
Manufacturer UPC 807298053370

Compatibility

Application Data
  • Valve FitmentSearch by engine
    MakeFORD
    Beginning Year1963
    Ending Year1969
    Engine TypeV8
    Engine Size7.0L/427
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Valve Installed LengthStock

Loading compatibility information...

Keep shopping

More from Manley Performance