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10721-8 Manley Performance Exhaust Valve Kits

Name: Manley Performance 10721-8 Exhaust Valve Kits
Brand: Manley Performance
SKU: 10721-8
Price: 154.32 USD
Availability: InStock

Manley Performance Exhaust Valve Kits 10721-8

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Product: Manley Performance Exhaust Valve Kits

Category: Manley Performance Valves

Part Number: 10721-8

UPC: 807298047218

MSRP: $185.29

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$154.32

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New with manufacturer warranty

Availability: IN STOCK (5+)
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(Last checked: 07/08/2026)
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Description:

NOTES: Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 4.911in O/A Length, 0.3415in Stem

Manley Valve - Exhaust, Valve-SBC S/F 1.500..

Manley's Street Series valves are the ideal choice for enthusiasts looking to boost the performance of a stock or mildly modified street engine.

Features:

High-Quality Stainless Steel
Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity.Chrome Stems and Hard Tips
These valves feature chrome stems and hard tips for increased durability and wear resistance, making them suitable for demanding applications.Swirl Polished and Fully Machined
The under head areas are meticulously swirl polished, and the combustion faces are fully machined, enhancing airflow and combustion efficiency.Variety of Shapes
Choose from the Street Master (Straight Stem) or Street Flo shapes, allowing you to customize your valve selection based on your specific needs.

Fitment:

Years	Make	Model	Trim
Sorry we do not have fitment information available for this part number. Contact us for any fitment questions.

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WARNING: Cancer & Reproductive Harm www.p65warnings.ca.gov

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For more information on Manley Performance part number 10721-8, you can visit the official Manley Performance website.