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 Race Series Stainless Steel Valves 11501-8 Valves, Exhaust, Steel, 1.560 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Set of 8

SKU: MAN11501-8

Valves
Manley Race Series Stainless Steel Valves 11501-8 Valves, Exhaust, Steel, 1.560 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Set of 8
Manley Performance

Manley Performance

Manley Race Series Stainless Steel Valves 11501-8 Valves, Exhaust, Steel, 1.560 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Set of 8

SKU: MAN11501-8

Valves
A$404.63
LOW STOCK! Est Ship 4-7 days. HURRY! LOW STOCK. This item is in limited stock at one of our 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 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.

Part Type

Engine Exhaust Valve

Data: v4.2 - Upd: 2026-10-14 20:07:13

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
11501-8
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Race Series Stainless Steel Valves
Product Attributes - UPC
807298049069
Product Attributes - Valve Position
Exhaust
Product Attributes - Exhaust Valve Head Diameter (in.)
1.560 in.
Product Attributes - Exhaust Valve Head Diameter (mm)
39.624mm
Product Attributes - Exhaust Valve Stem Diameter (in.)
0.341 in.
Product Attributes - Exhaust Valve Stem Diameter (mm)
8.66mm
Product Attributes - Exhaust Overall Valve Length (in.)
4.911 in.
Product Attributes - Exhaust Overall Valve Length (mm)
124.739mm
Product Attributes - Undercut Stem
Yes
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)
91
Product Attributes - Valve Head Style
7 degree dish
Product Attributes - Valve Seat Width (in.)
0.100 in.
Product Attributes - Quantity
Sold as a set of 8.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man11501-8
SFX Item ID 4931296
Supplier Item Code 4931296
Manufacturer SKU 11501-8
Manufacturer UPC 807298049069

Compatibility

Application Data
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1962
    Ending Year1969
    Engine TypeV8
    Engine Size5.4L/327
    Engine FamilyChevy small block Gen I
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1967
    Ending Year1968
    Engine TypeV8
    Engine Size4.9L/302
    Engine FamilyChevy small block Gen I
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1967
    Ending Year2000
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1970
    Ending Year1980
    Engine TypeV8
    Engine Size6.6L/400
    Engine FamilyChevy small block Gen I
    Valve Installed LengthStock

Loading compatibility information...

Keep shopping

More from Manley Performance