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

Manley Performance

Manley Performance

Manley Severe Duty Series Stainless Steel Valves 11813-1 Valve, Exhaust, XH-428 Stainless, 1.810 in. Diameter, .3415 in. Stem, 5.369 in. Length, Each

SKU: MAN11813-1

Valves
Manley Severe Duty Series Stainless Steel Valves 11813-1 Valve, Exhaust, XH-428 Stainless, 1.810 in. Diameter, .3415 in. Stem, 5.369 in. Length, Each
Manley Performance

Manley Performance

Manley Severe Duty Series Stainless Steel Valves 11813-1 Valve, Exhaust, XH-428 Stainless, 1.810 in. Diameter, .3415 in. Stem, 5.369 in. Length, Each

SKU: MAN11813-1

Valves
A$103.97
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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

BBM S/D 1.810in Exhaust Valve

Data: v4.2 - Upd: 2026-10-14 10:04:35

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
11813-1
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Severe Duty Series Stainless Steel Valves
Product Attributes - UPC
807298053073
Product Attributes - Valve Position
Exhaust
Product Attributes - Exhaust Valve Head Diameter (in.)
1.810 in.
Product Attributes - Exhaust Valve Head Diameter (mm)
45.974mm
Product Attributes - Exhaust Valve Stem Diameter (in.)
0.342 in.
Product Attributes - Exhaust Valve Stem Diameter (mm)
8.69mm
Product Attributes - Exhaust Overall Valve Length (in.)
5.369 in.
Product Attributes - Exhaust Overall Valve Length (mm)
136.372mm
Product Attributes - Undercut Stem
No
Product Attributes - Swirl-Polished
Yes
Product Attributes - Valve Tip Length (in.)
0.250 in.
Product Attributes - Valve Tip Length (mm)
6.350mm
Product Attributes - Valve Material
XH-426 stainless steel
Product Attributes - Lock Groove Quantity
1-groove
Product Attributes - Lock Groove Style
Conventional
Product Attributes - Approximate Weight (g)
115
Product Attributes - Valve Head Style
7 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 man11813-1
SFX Item ID 4933572
Supplier Item Code 4933572
Manufacturer SKU 11813-1
Manufacturer UPC 807298053073
Alternative References XH-428

Compatibility

Application Data
  • Valve FitmentSearch by engine
    MakeCHRYSLER
    Beginning Year1966
    Ending Year1978
    Engine TypeV8
    Engine Size7.2L/440
    Engine FamilyMopar big block RB
    Valve Installed LengthStock
    Cylinder Head TypeIndy 440-1
  • Valve FitmentSearch by engine
    MakeDODGE
    Beginning Year1966
    Ending Year1979
    Engine TypeV8
    Engine Size7.2L/440
    Engine FamilyMopar big block RB
    Valve Installed LengthStock
    Cylinder Head TypeIndy 440-1
  • Valve FitmentSearch by engine
    MakePLYMOUTH
    Beginning Year1966
    Ending Year1978
    Engine TypeV8
    Engine Size7.2L/440
    Engine FamilyMopar big block RB
    Valve Installed LengthStock
    Cylinder Head TypeIndy 440-1

Loading compatibility information...

Keep shopping

More from Manley Performance