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Manley Ford 4.6L 38.5mm Race Master & Extreme Duty Exhaust Valves (Single)

SKU: MAN11633-1

Valves

MAN Race Master Valves...

Manley Ford 4.6L 38.5mm Race Master & Extreme Duty Exhaust Valves (Single)

SKU: MAN11633-1

Valves

MAN Race Master Valves...

A$125.77
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.

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Description

Valve - Exhaust

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.

Additional Information

Manley Valve - Exhaust, Valve-FD MOD Extreme Duty 38.5mm

Part Type

Engine Exhaust Valve

Data: v4.2 - Upd: 2026-11-10 23:11:00

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.

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 05:25:44

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 man11633-1
SFX Item ID 4060691
Accounting SKU man-11633-1
Manufacturer SKU 11633-1
Manufacturer UPC 807298105314
Alternative References 11633-1, MAN-11633-1

Valve, Exhaust, Race Master, Stainless Steel, 38.5mm Head Dia, 20 Degree Dish, Ford, 4.6/5.4L, Set of 8

Manley Race Master valves are designed and engineered to withstand the abuse of the track. Race Master valves are targeted by the bracket, drag, and oval track racers, or even those with modified street engines that are operating at engine speeds below 8,000 rpm. These valves are constructed from XH-426 material for the exhaust and NK-842 for the intake valves, making them the strongest valves in their class. Whether everything is on the line at the track, or you just enjoy your high performance car or motorcycle on the street, trust Race Master valves by Manley to keep you on the move. Order the model designed for your vehicle year/make and engine application.

Product Attributes
BrandManley
Manufacturer's Part Number11633-1
Part TypeValves
Product LineManley Race Master Valves
UPC00807298105314
Valve PositionExhaust
Exhaust Valve Head Diameter (in.)1.515 in.
Exhaust Valve Head Diameter (mm)38.500mm
Exhaust Valve Stem Diameter (in.)0.235 in.
Exhaust Valve Stem Diameter (mm)5.97mm
Exhaust Overall Valve Length (in.)4.585 in.
Exhaust Overall Valve Length (mm)116.459mm
Undercut StemNo
Swirl-PolishedYes
Valve Tip Length (in.)0.380 in.
Valve Tip Length (mm)9.652mm
Lock Groove Quantity3-groove
Lock Groove StyleConventional
Approximate Weight (g)70
Valve Head Style20 degree dish
Valve Seat Width (in.)0.100 in.
QuantitySold individually.

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