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

Manley Race Series Stainless Steel Valves 11527-8 Valves, Exhaust, Steel, 1.880 in. Diameter, .371 in. Stem, 5.350 in. Length, Chevy, Set of 8

SKU: MAN11527-8

Valves

Manley Race Series Stainless Steel Valves 11527-8 Valves, Exhaust, Steel, 1.880 in. Diameter, .371 in. Stem, 5.350 in. Length, Chevy, Set of 8

SKU: MAN11527-8

Valves
A$384.44
Available from MFR. In stock at 2 locations (10 available)

Added to cart

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

Description

Exhaust Valve - Race Flo - 1.880 in Head - 0.372 in Valve Stem - 5.350 in Long - Stainless - Big Block Chevy - Set of 8

Valve - Exhaust

Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM.

Part Type

Engine Exhaust Valve

Data: v4.2 - Upd: 2026-11-09 03:34:38

Features

  • Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.
  • Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.
  • Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.
  • Swirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.
  • Variety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine's specific requirements.

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 05:29:43

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 man11527-8
SFX Item ID 4930449
Accounting SKU man-11527-8
Manufacturer SKU 11527-8
Manufacturer UPC 807298049601
Alternative References 11527-8, MAN-11527-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.350 in. Length, Chevy, Set of 8

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.

Product Attributes
BrandManley
Manufacturer's Part Number11527-8
Part TypeValves
Product LineManley Race Series Stainless Steel Valves
UPC807298049601
Valve PositionExhaust
Exhaust Valve Head Diameter (in.)1.880 in.
Exhaust Valve Head Diameter (mm)47.752mm
Exhaust Valve Stem Diameter (in.)0.371 in.
Exhaust Valve Stem Diameter (mm)9.42mm
Exhaust Overall Valve Length (in.)5.350 in.
Exhaust Overall Valve Length (mm)135.890mm
Undercut StemYes
Swirl-PolishedYes
Valve Tip Length (in.)0.220 in.
Valve Tip Length (mm)5.588mm
Valve MaterialXH-426 stainless steel
Lock Groove Quantity1-groove
Lock Groove StyleConventional
Approximate Weight (g)131
Valve Head Style5 degree dish
Valve Seat Width (in.)0.100 in.
QuantitySold as a set of 8.

Compatibility

Loading compatibility information...

Keep shopping

More from Manley Performance