Manley Extreme Duty Series Stainless Steel Valves 11837-8 VALVE-E/D 1.950

SKU: MAN11837-8

Valves

Manley Performance

Manley Extreme Duty Series Stainless Steel Valves 11837-8 VALVE-E/D 1.950

SKU: MAN11837-8

Valves

Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted carburetor circle track competitors, these valves are your ticket to unparalleled performance.

Part Type

Engine Exhaust Valve

Data: v4.2 - Upd: 2026-10-14 10:08:49

Features

Built to Last: Featuring chrome stems and hard tips for exceptional longevity and wear resistance.
Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.
Optimized Performance: Swirl polished under head areas and fully machined combustion faces improve airflow and combustion efficiency.
XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material construction.

Specifications

Product Attributes - Brand: Manley
Product Attributes - Manufacturer's Part Number: 11837-8
Product Attributes - Part Type: Valves
Product Attributes - Product Line: Manley Extreme Duty Series Stainless Steel Valves
Product Attributes - UPC: 807298053677
Product Attributes - Valve Position: Exhaust
Product Attributes - Exhaust Valve Head Diameter (in.): 1.950 in.
Product Attributes - Exhaust Valve Head Diameter (mm): 49.276mm
Product Attributes - Exhaust Valve Stem Diameter (in.): 0.372 in.
Product Attributes - Exhaust Valve Stem Diameter (mm): 9.45mm
Product Attributes - Exhaust Overall Valve Length (in.): 5.020 in.
Product Attributes - Exhaust Overall Valve Length (mm): 127.508mm
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-432 Xtreme alloy
Product Attributes - Lock Groove Quantity: 1-groove
Product Attributes - Lock Groove Style: Conventional
Product Attributes - Approximate Weight (g): 166
Product Attributes - Valve Head Style: 15 degree dish
Product Attributes - Valve Seat Width (in.): 0.100 in.
Product Attributes - Quantity: Sold as a set of 8.
Product Attributes - Notes: For use with top fuel and funny car applications only. Underhead 22° angle/1/2 in. radius and 0.100 in. margin.

Reference Information

Brand Name/s	Manley Performance
StreetFX SKU	man11837-8
SFX Item ID	4930477
Supplier Item Code	4930477
Manufacturer SKU	11837-8
Manufacturer UPC	807298053677

Compatibility

Application Data

Valve Fitment Search by engine
Application Notes For use with top fuel and funny car applications only. Underhead 22° angle/1/2 in. radius and 0.100 in. margin.

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