ATI Serpentine SFI 18.1 Super Damper - 6.780 in OD - Black - Internal Balance - Ford Modular Crankshaft Damper Bolt NOTE: Image is for reference

NOTE: Image is for reference only and shows #MT-KRX-CM-RM60

406 in Diameter

2007-2008 GMC Sierra 3500 HD (Front)

5/8-18 in Female to 16 mm x 1

7L with MT-82 6-speed Transmission

ATI Serpentine SFI 18.1 Super Damper - 6.780 in OD - Black - Internal Balance - Ford Modular Crankshaft Damper Bolt NOTE: Image is for referenceProduct Description: Harmonic Balancer Serpentine Super Damper 6. 780 in OD SFI 18. 1 Aluminum Steel Black Internal Balance Ford Modular Sold Individually ATI Performance Products is a company founded on innovation, precision and service. ATI harmonic Super Dampers add horsepower and torque to race, street and truck engines. ATI Performance Products is the creation of over 40 years of Transmission and performance component manufacturing and racing