JOES Micro Sprint Adjustable RR BirdCage for 1-3/4" Axle H760003XL 58 Percent Better Than Stock

58 Percent Better Than Stock - Valve Closed

Use bracket #8031 or #8036 for 1972-78

Heavy Duty 3/16" and 1/2" Steel Construction for Strength and Durability

Edelbrock E-Force Supercharger System

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JOES Micro Sprint Adjustable RR BirdCage for 1-3/4" Axle H760003XL 58 Percent Better Than StockJOES Micro Sprint Adjustable RR BirdCage gives your team a whole new level of options to find the perfect balance point for maximum speed. Fine tune your adjustments to the smallest increment. Laser etched adjustment marks make it easy to record your settings. Adjust fractions in a fraction of a second. Dial in a small adjustment for precision settings and optimal performance. Championship proven 5 1 2" Roll Center to give you the forward bite you