ATI Performance Products Damper - 7 - Al - Toyota 1gr-fe - 7 Grv 10% Ud Pulley

• Eliminates torsional crankshaft vibrations
• Exceeds SFI 18.1 specs
• Laser etched 360° timing marks
• Black zinc chromate finished
• Notes:  918466 is 1.250" longer than stock and comes with a bolt on pulley for factory spacing that is 10% underdriven. Requires a smaller idler pulley for fitment when using on a street motor. 

Inner and outer shells are available in aluminum or steel contain the steel inertia weight. The inertia weight has six (2-ring design) or eight (3-ring design) computer machined grooves to retain the proper durometer O-rings (dyno tested for each application).

Specifications:

• Outside Diameter: 7.074 in.
• Shell Material: Aluminum
• Total Weight: 3.75 Lbs
• Inertia Weight: 2.20 Lbs
• Hub Material: Steel
• Rings: 2
• Engine Balance: Internal
• Degree Marking Range: 360
• Safety Rating: SFI 18.1
• Fits: Toyota 4.0L 236-239: 4Runner ('03-up), Tacoma ('05-up), Tundra ('05-up), & FJ Cruiser ('07-up).