SKU: 959-111-123
Weapon R 04-08 Acura TSX Engine Damper
The Weapon-R Engine Damper is a performance crank pulley designed for the 2004-2008 Acura TSX. It features an underdrive design that cuts accessory drag while damping torsional crankshaft vibrations for smoother operation and more power to the wheels. This direct bolt-on part improves throttle response and engine efficiency on K24A2 engines.
Key Features
- Precision CNC Machined Billet 6061-T6 Aluminum: Provides lightweight strength at 5.25 lbs versus heavier stock pulley for quicker revs
- SFI 18.1 Certification: Ensures safety and balance for street and track use
- Internal Viscous Silicone Fluid Damping: Absorbs harmonics to prevent belt whip noise and extend belt component life
- Underdrive Ratios: 28% on alternator and water pump 15% on power steering pulley to free up 8-12 hp
- Black Anodized Finish: Corrosion resistant with laser etched logo for engine bay appeal
Product Notes
- Inspect OEM belts and tensioner prior to install for best results
- Regular oil changes maintain damping fluid performance
- Secure foam packaging protects during transit
Installation Notes
- Professional installation recommended.
- Harmonic balancer puller tool required to remove stock pulley
- Torque crankshaft bolt to 181 ft-lbs and recheck after 100 miles
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2008 | Acura | TSX | Base |
Why Choose Weapon-R?
- 25+ years crafting performance parts for JDM vehicles
- Dyno tested for real world gains and durability
- CAD engineered for exact OEM replacement fitment
Frequently Asked Questions
-
Q: Does this fit all 2004-2008 Acura TSX models?
A: Yes direct fit for Base models with 2.4L K24A2 engine no modifications needed -
Q: What material and damping method is used?
A: Billet 6061-T6 aluminum housing with high durometer viscous silicone fluid for optimal vibration control -
Q: What warranty coverage applies?
A: Limited lifetime warranty against manufacturing defects when installed properly
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Foam lined box 10 x 8 x 4 inches
- Weight: 5.5 lbs
Engine
Engine parts and engine bay upgrades for Dodge, Jeep, RAM, Chrysler, Chevrolet, Ford, Toyota, Nissan, Subaru, and Honda vehicles are stocked at Black Ops Auto Works. Shop oil catch cans, supercharger pulleys, thermostats, radiators, cooling parts, throttle bodies, intake manifolds, headers, ignition coils, spark plugs, sensors, gaskets, fuel pumps, valve covers, engine covers, billet cap covers, and full engine bay dress-up parts for HEMI, Hellcat, Trackhawk, Redeye, Demon, Scat Pack, RAM TRX, LS, LT, Coyote, EcoBoost, K-Series, and 2JZ builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 14,298 engine SKUs across performance, cooling, oil control, ignition, and appearance categories. What This Category Covers The Engine collection combines OEM-replacement engine service parts with performance aftermarket upgrades for supercharged, turbocharged, and naturally aspirated builds...
View Engine Products
Pulleys
Pulleys parts and accessories for Hellcat, Trackhawk, Ram TRX, Mustang, Honda, Acura, Mini, Evo, DSM, Nissan, and other performance applications are stocked at Black Ops Auto Works. Shop crank pulleys, underdrive pulleys, supercharger pulleys, idler pulleys, tensioner pulleys, water pump pulleys, alternator pulleys, and drive-belt hardware. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 106 Pulleys SKUs across fitment-specific product lines, performance builds, restoration needs, and daily-driven applications. What This Pulleys Collection Covers This collection spans accessory-drive and performance pulleys, including crank, underdrive, supercharger, idler, and tensioner styles. The correct component depends on engine family, belt rib count, accessory layout, forced-induction system, diameter, offset, mounting design, and intended boost or accessory speed. Crank and Underdrive P...
View Pulleys Products
Pulleys - Crank, Underdrive
Pulleys - Crank, Underdrive parts and accessories are stocked at Black Ops Auto Works for enthusiasts and shops building reliable street, truck, off-road, and performance vehicles. Shop underdrive crank pulleys, lightweight aluminum pulleys, damper pulleys, accessory drive pulleys, idler pulleys, alternator pulleys, water pump pulleys, supercharger pulleys, serpentine belt drive parts, and engine dampers for Honda, Acura, Subaru, Ford, Nissan, Mazda, Mini, and Mitsubishi builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 89 Pulleys - Crank, Underdrive SKUs across crank drive, accessory drive, idler, supercharger, and engine damper applications. What Crank and Underdrive Pulleys Cover Reduced accessory drag Underdrive crank pulleys reduce accessory speed relative to engine speed. The result can be less parasitic drag at higher rpm when the rest of the accessory drive is corr...
View Pulleys - Crank, Underdrive Products


