Street. Track. Everything between.
07 3276 7829
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

Manley Severe Duty Pro Flo Series Stainless Steel Valves 11570-1 Valve, Intake, Steel, 2.300 in. Diameter, .372 in. Stem, 5.513 in. Length, Chevy, Each

SKU: MAN11570-1

Valves

Manley Severe Duty Pro Flo Series Stainless Steel Valves 11570-1 Valve, Intake, Steel, 2.300 in. Diameter, .372 in. Stem, 5.513 in. Length, Chevy, Each

SKU: MAN11570-1

Valves
A$110.57
IN STOCK! Est Ship 3-7 Days days. In stock at 1 location (2 available)

Added to cart

We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 05:30:54

Data: v4.2 - Upd: 2026-11-08 17:45:41

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 man11570-1
SFX Item ID 4931788
Accounting SKU man-11570-1
Manufacturer SKU 11570-1
Manufacturer UPC 807298050430
Alternative References 11570-1, MAN-11570-1

Valve, Intake, Stainless Steel, 2.300 in. Diameter, .372 in. Stem, 5.513 in. Length, Chevy, Each

Manley Severe Duty Pro Flo Series intake and exhaust 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 fully machined and swirl polished, and offer improved flow with undercut "Pro Flo" stems. Many size options are available, for applications from 1955 and up.

Product Attributes
BrandManley
Manufacturer's Part Number11570-1
Part TypeValves
Product LineManley Severe Duty Pro Flo Series Stainless Steel Valves
UPC807298050430
Valve PositionIntake
Intake Valve Head Diameter (in.)2.300 in.
Intake Valve Head Diameter (mm)58.420mm
Intake Valve Stem Diameter (in.)0.372 in.
Intake Valve Stem Diameter (mm)9.50mm
Intake Overall Valve Length (in.)5.513 in.
Intake Overall Valve Length (mm)140.030mm
Undercut StemYes
Swirl-PolishedYes
Valve Tip Length (in.)0.250 in.
Valve Tip Length (mm)6.350mm
Valve MaterialNK-844 stainless steel
Lock Groove Quantity1-groove
Lock Groove StyleConventional
Approximate Weight (g)171
Valve Head Style7 degree dish
QuantitySold individually.

Compatibility

Loading compatibility information...

Keep shopping

More from Manley Performance