Manley Performance

Manley 00-03 Subaru WRX (EJ20) / 04 STi Exhaust 32mm Stainless Race Master Valves - 11155-8

(No reviews yet) Write a Review
SKU:
MAN11155-8
UPC:
807298044637
MPN:
11155-8
Availability:
Regularly stocked product
  • Photo - Primary
  • Photo - Primary
  • User 1
  • User 3
  • User 2
  • Photo - out of package
MSRP: $263.93
$211.14
— You save $52.79
Frequently bought together:

Description

What is the recommended fuel type for Manley Race Master Valves?
Manley Race Master Valves are recommended for alcohol engines due to their robust construction and advanced performance characteristics.

How do Manley Race Master Valves improve engine performance?
Swirl polishing these high-quality stainless steel valves achieves smoother airflow, directly increasing horsepower and enhancing throttle response.

Manley Race Master Valves are engineered for optimal performance in 2002-2012 Saab 9-2X and Subaru Impreza models, boasting a top score of 9 for Racing Competition and Engine Performance. Featuring swirl-polished, high-quality stainless steel with chrome stems, these valves ensure superior airflow and durability. Trust these race-proven valves for maximum compression and a significant power output boost.

Key Features

  • Swirl Polished and Fully Machined
  • high-quality stainless steel
  • Race Master (Straight Stem)
  • Chrome Stems
  • hard tips
  • Recommended for Alcohol Engines

Why Choose the MAN Race Master Valves

Achieves smoother airflow for increased horsepower and throttle response.

Delivers exceptional durability and resistance to extreme engine conditions.

Provides enhanced valve sealing for maximum compression and power output.

Transforms your engine's reliability and performance under demanding use.

Who Is This For?

Track / Autocross — 8/10
High-quality stainless steel, hard tips, race master design.

Drag Racing — 8/10
Race master straight stem, hard tips, performance focus.

Racing Competition — 9/10
Swirl polished, hard tips, recommended for alcohol engines.

Street Performance — 7/10
High-quality stainless steel, swirl polished, performance enhancement.

Engine Performance — 9/10
Designed for high-performance applications, alcohol fuel compatibility.

Frequently Asked Questions

Will the Manley Performance MAN Race Master Valves fit my vehicle?

MAN Race Master Valves are engineered to precisely fit your 2002-2012 Saab 9-2X and Subaru Impreza models. This specific fitment ensures optimal integration and performance within the engine's valvetrain. Confirming fitment with a qualified technician is always recommended for ultimate assurance.

How difficult is the installation of Manley Performance MAN Race Master Valves?

Professional installation is strongly recommended for the MAN Race Master Valves. This ensures precise alignment and optimal performance, as stated in the install type guidelines. Engaging a qualified technician guarantees adherence to the advanced maintenance level required for these components.

What performance improvement can I expect from MAN Race Master Valves over stock?

MAN Race Master Valves deliver a significant performance boost, achieving a score of 9 for Engine Performance and 9 for Racing Competition. The swirl-polished, high-quality stainless steel construction with hard tips ensures smoother airflow and enhanced valve sealing for maximum power output and reliability.

Are the MAN Race Master Valves suitable for demanding engine conditions?

MAN Race Master Valves are built for extreme engine conditions, scoring an 8 for Track/Autocross and Drag Racing use cases. Their high-quality stainless steel construction, chrome stems, and hard tips provide exceptional durability and resistance, ensuring reliable performance under demanding applications.

Important Notices

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

View AllClose

Additional Information

Clearance Item:
N
MPN:
11155-8
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Engine Components>Valves
Product Level:
Premium Performance
Track / Autocross:
8/10
Drag Racing:
8/10
Racing Competition:
9/10
Street Performance:
7/10
Engine Performance:
9/10
View AllClose