QA1 Rear Anti-Hop Bars - 78-88 GM G-Body Karting Neck Supports & Collars Pulley Kit

Pulley Kit

1975-1981 Pontiac Firebird

3200 / 6500 RPM

Jetronic/Minitimer (Bosch style) injector connectors

1967-1980 Mercury Marquis

QA1 Rear Anti-Hop Bars - 78-88 GM G-Body Karting Neck Supports & Collars Pulley KitQA1 Rear Anti Hop Bars relocate the upper trailing arms to change the instant center of the rear suspension. This will improve the chassis reaction and increases forward bite and traction. The QA1 Anti Hop Bars are one of the most effective and easily installed traction improvements. Includes graphite polyurethane bushings. We strongly recommend adjustable trailing arms for maximum adjustability and performance. QA1 specializes in high performance