Sold out
Torque Solution Lightweight Alternator Pulley (Black): Subaru EJ WRX 02-05 / STI 04-06
Click to zoom in

Torque Solution Lightweight Alternator Pulley (Black): Subaru EJ WRX 02-05 / STI 04-06

TQSTS-SU-877
Pulleys - Crank, Underdrive
Out of stock
$ 49.99

SKU: TS-SU-877

Torque Solution Lightweight Alternator Pulley (Black) for Subaru WRX 2002-2005 & STI 2004-2006

The Torque Solution Lightweight Alternator Pulley (Black), meticulously engineered for Subaru WRX (2002-2005) and STI (2004-2006) models equipped with EJ engines. This precision-crafted pulley, SKU TS-SU-877, reduces rotational mass, delivering enhanced throttle response, increased horsepower, and improved torque for a more dynamic driving experience. Designed with enthusiasts in mind, this pulley ensures a perfect fit for your Subaru, making it the ideal choice for those seeking reliable, high-quality performance upgrades.

Why Torque Solution?

Crafted from high-strength 6061 billet aluminum, this pulley is significantly lighter than the OEM alternator pulley, weighing in at a mere fraction of the stock component. Its black anodized finish not only adds a sleek, stylish look under the hood but also provides durability and corrosion resistance. The precision-machined grooves ensure a secure fit with both OEM and aftermarket belts, maintaining consistent performance under demanding conditions. Backed by Torque Solution’s limited lifetime warranty, this pulley is built to last, offering peace of mind for your investment.

What’s Included in Your Purchase:

  • (1) Torque Solution Lightweight Alternator Pulley (Black) – SKU: TS-SU-877
  • (1) M17 Zinc Flange Hex Nut for straightforward installation
  • Detailed installation instructions for a hassle-free setup

Fitment Details:

  • Year: 2002-2005 Subaru WRX, 2004-2006 Subaru STI
  • Make: Subaru
  • Model: WRX (2002-2005), STI (2004-2006)
  • Engine: EJ20, EJ25 (turbocharged 4-cylinder engines)
  • Part Number: TS-SU-877

Specifications:

  • Material: CNC-machined 6061 T6 billet aluminum
  • Finish: Black anodized for enhanced durability and aesthetics
  • Weight: Significantly lighter than OEM pulley (exact weight not specified by manufacturer, but designed to reduce rotational mass)
  • Compatibility: Matches OEM and aftermarket belt sizes for precise fitment
  • Installation: Direct replacement, no modifications required
  • Warranty: Limited lifetime warranty from Torque Solution

Performance Benefits:

By reducing the rotational mass of the alternator, this pulley allows your engine to rev more freely, improving acceleration and power delivery. The lightweight design minimizes parasitic drag, enabling your Subaru’s EJ engine to perform at its best. Whether you’re hitting the track or cruising the streets, this pulley enhances your vehicle’s responsiveness, making every drive more engaging.

Compatibility Notes:

This pulley is specifically designed for Subaru WRX models from 2002 to 2005 and STI models from 2004 to 2006 with EJ20 or EJ25 engines. It is not compatible with later FA or FB engine models or other Subaru models outside the specified years. Always verify fitment with your vehicle’s specifications before purchasing.

Why Torque Solution?

Torque Solution is a trusted name in aftermarket performance parts, known for producing high-quality billet aluminum components that combine form and function. The TS-SU-877 pulley is precision-engineered to meet the needs of Subaru enthusiasts, ensuring a seamless fit and lasting performance. With fast shipping, competitive pricing, and a commitment to customer satisfaction, Torque Solutions is manufactured in the USA, this pulley is a reliable upgrade for your Subaru WRX or STI.

Order Today:

Elevate your Subaru’s performance with the Torque Solution Lightweight Alternator Pulley (Black) – SKU: TS-SU-877. This pulley is the perfect addition to your WRX or STI build, offering measurable performance gains and a sleek, professional look. Don’t settle for less choose Torque Solution for quality and performance that stands out.

Note: Installation requires basic tools (e.g., 10mm, 12mm, 14mm sockets, prybar, needle-nose pliers) and typically takes about 30 minutes for first-time installers. Always follow manufacturer instructions and use appropriate torque settings for secure installation.

Request For Information

Have questions about ? Fill out the form below and we'll get back to you by the next business day.
Engine

Engine

This engine parts collection covers oil catch cans, thermostats, thermostat housings, radiator components, coolant accessories, engine covers, fuse box covers, cap covers, throttle bodies, supercharger pulleys, idler pulleys, tensioner pulleys, and engine bay dress-up parts for trucks, SUVs, muscle cars, boosted builds, high-horsepower street cars, and performance vehicles that need better reliability, cooling, airflow, oil control, and under-hood styling. The collection is particularly strong for Dodge Challenger, Charger, Durango, Jeep Grand Cherokee Trackhawk, and Ram TRX platforms running 6.2L Hellcat, 6.4L HEMI, and 5.7L HEMI engines, where oil catch can and cooling upgrades address known OEM weaknesses in the PCV and thermal management systems. Import performance platforms including GM LS-based builds, Chevrolet Camaro, and Corvette applications are also represented through Mishimoto, CSF, and ZPE GripTec product lines. Builders who invest in engine bay organization and reliab...

View Engine Products
Pulleys

Pulleys

Welcome to our Vehicle Engine Pulleys collection, where you will find an extensive range of premium products tailored for automotive enthusiasts and professionals alike. Whether you're repairing, upgrading, or maintaining your vehicle, our collection offers pulleys that ensure efficiency and reliability. Why Choose Our Vehicle Engine Pulleys? High Performance: Engineered for optimal functioning under various driving conditions. Quality Materials: Crafted from durable materials to withstand wear and tear. Compatibility: Designed to fit a wide range of vehicle makes and models. Value for Money: Affordable options that do not compromise on quality.   Types of Vehicle Engine Pulleys Available Crankshaft Pulleys Water Pump Pulleys Alternator Pulleys Timing Belt Pulleys   Applications of Vehicle Engine Pulleys Our vehicle engine pulleys are ideal for various applications, including: Car repairs and maintenance Engine rebuilds and modifications Performance upgrades Restoration pr...

View Pulleys Products
Pulleys - Crank, Underdrive

Pulleys - Crank, Underdrive

Welcome to our exclusive collection of Pulleys - Crank, Underdrive Vehicle Pulleys. Engineered for performance and efficiency, these pulleys are essential for any car enthusiast looking to enhance their vehicle's capabilities.   Why Choose Underdrive Pulleys? Improved Performance: Underdrive pulleys reduce the rotational mass, allowing your engine to rev up faster. Increased Horsepower: Experience a noticeable boost in horsepower by minimizing accessory drag. Enhanced Fuel Efficiency: Optimize your vehicle's energy consumption with these lightweight, high-performance pulleys.   Featured Products Our collection includes a variety of crank and underdrive pulleys suited for different vehicle makes and models: High-Performance Crank Pulleys: Manufactured with precision to ensure durability and performance. Lightweight Underdrive Pulleys: Crafted from high-quality materials to reduce weight without compromising strength. Universal Fit Options: Designed to fit a wide range o...

View Pulleys - Crank, Underdrive Products
Torque Solution

Torque Solution

Welcome to the Torque Solution collection, where we specialize in high-performance products engineered to enhance your vehicle's engine performance and reliability. Our curated selection is designed for enthusiasts who demand the best in torque management and efficiency.   Why Choose Torque Solution Products? Performance Enhancement: Boost your engine's power and efficiency. Durability: Crafted from high-quality materials to withstand extreme conditions. Precision Engineering: Designed for a perfect fit and optimal function. Expert Support: Our team is here to assist you with any questions and guidance.   Featured Products in the Torque Solution Collection Torque Solution Engine Mounts Torque Solution Boost Controllers Torque Solution Turbo Kits Torque Solution Performance Exhausts   Experience the Torque Solution Difference Upgrading your vehicle with our Torque Solution products means you are investing in quality and performance. Whether you're on the track or just driving...

View Torque Solution Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×