Harmonic Damper Pulley Puller Update Kit (Blue-Point®) | YA6491A TORX®/Shallow Impact (1/2") • Square inches (cm²) :

• Square inches (cm²) : 25

• Repair Kit : RKRS77

600 in² and 10

• Open Length

ft-lb : 59–251

Harmonic Damper Pulley Puller Update Kit (Blue-Point®) | YA6491A TORX®/Shallow Impact (1/2") • Square inches (cm²) :Updates earlier YA9740 pullers to the same applications as the new YA6490A Kit updates other pulley pullers that are similar to the YA9740 series of pullers Add YA6491 Update Kit to the existing YA9740 series pullers to add these new applications: GM 4. 2 L Straight 6 cylinder; Chevrolet Trailblazer, Colorado GMC Envoy, Canyon (2004 later); Oldsmobile Bravada (2003 later); Buick Rainier (2004 later) 3. 5 L Straight 5 cylinder; Hummer H3 (2006 later)