Weapon R 02-04 Acura RSX Engine Damper

SKU: 959-111-102

Weapon R 02-04 Acura RSX Engine Damper

The Weapon-R Engine Damper is a precision underdrive crank pulley that fits 2002-2004 Acura RSX Base and Type-S models plus 2003-2005 Honda Civic Si. It dampens harmful crankshaft harmonics to prevent belt slip and pulley wobble while cutting parasitic drag from accessories. Drivers gain sharper throttle response and smoother high-RPM power delivery on K20 engines.

Key Features

• Underdrive Design: Smaller pulley diameter reduces accessory load by up to 25% freeing horsepower and torque for the wheels
• 92A Durometer Polyurethane Insert: Absorbs engine vibrations extending belt and bearing life while maintaining OEM-like accessory speeds
• Direct Bolt-On Fit: Replaces stock crank pulley with no modifications using factory hardware and belt
• Lightweight Construction: Aluminum pulley with polymer damper weighs just 8 ounces minimizing rotational mass
• Enhanced Traction: Prevents slippage under hard acceleration improving power transfer to drivetrain

Product Notes

• Confirm engine type K20A2 K20A3 or K20Z1 before purchase
• Use OEM or equivalent serpentine belt for best results
• Packaged in protective foam-lined box for damage-free delivery

Installation Notes

• Professional installation recommended.
• Requires crank pulley tool and harmonic balancer puller for removal
• Torque pulley bolt to 181 ft-lbs with engine at TDC on compression stroke

This Part Fits

Year	Make	Model	Submodel
2002-2004	Acura	RSX	Base
2002-2004	Acura	RSX	Type-S
2003-2005	Honda	Civic Si	–

Why Choose Weapon-R?

• Established leader in JDM performance parts since 1998
• CNC-machined components ensure exact OEM tolerances
• Backed by dyno-tested gains on K-series engines

Frequently Asked Questions

• Q: Will this fit my 2004 Acura RSX Type-S K20A2?
  A: Yes it bolts directly to 2002-2004 RSX Type-S K20A2 K20A3 and 2003-2005 Civic Si K20Z1 crank snout
• Q: What material is the damper made from?
  A: High-durometer 92A thermoplastic polyurethane fills the pulley to dampen harmonics without degrading over time
• Q: Does installation void warranty or require tuning?
  A: No tuning needed and it uses stock belt hardware professional install takes 1-2 hours

Shipping & Handling

• Method: UPS Ground or FedEx
• Availability: In stock – ships same or next business day
• Packaging: Secure box measures 8 x 6 x 4 inches
• Weight: 1 lb including packaging