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Manley Performance MAN Extreme Duty Valves - 11139-1

Manley 00-03 Subaru WRX (EJ20) / 04 STi Exhaust 33mm Stainless Extreme Duty Valve (1 valve)
Availability: In stock
Part number: 11139-1
Manufacturer: Manley Performance
$70.69
In stock — usually ships within 1 business day

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.

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.

Built to Last: Featuring chrome stems and hard tips for exceptional longevity and wear resistance.

Manley 00-03 Subaru WRX (EJ20) / 04 STi Exhaust 33mm Stainless Extreme Duty Valve (1 valve)

XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material construction.

Extr. Dty. Subaru 2.0L EJ205 Ex. Vlv - 33.00mm Dia.,104.75mm O/A ,.2345 in. Stm

Manley Valve - Exhaust, Valve-Extreme Duty SUBARU WRX 33.0mm

Manley Valve - Exhaust, Valve-E/D SUBARU WRX 33mm.

Manley Valve - Exhaust, E/D SUBARU WRX 33mm

Valve-E/D SUBARU WRX 33mm

Engine Exhaust Valve

Valve - Exhaust

No confirmed vehicle fitment listed We do not have a vehicle-specific fitment row for this product yet.

This does not automatically mean the part fits every 3000GT or Stealth. Send us your year, drivetrain, turbo/non-turbo status, and part number before ordering if fitment is in question.

Ask fitment help