ATI SBC 7.074 Harmonic Damper - SFI 9510D Adjustable arm for 1978-88 GM

Adjustable arm for 1978-88 GM Metric G-body cars features a threaded assembly which aids in correcting bump steer problems by lowering the arm up to 3/4" compared to OE style arm

and detailed instructions

ORB SwivelAeromotive Inc

52 Inch Lap Belt Pull Down

Zamp Racing’s new Underwear Top and Bottom provide an additional safety layer under your race suit

ATI SBC 7.074 Harmonic Damper - SFI 9510D Adjustable arm for 1978-88 GMProduct Description: Harmonic Balancer Super Damper 7. 074 in OD SFI 18. 1 Steel Black Oxide Internal Balance Small Block Chevy 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 experience.