The all new A1/ACF1 Single Adjustable Series has been designed based off of driver input and on-track performance. Through racing applications and in-house dyno evaluation, PRO has developed the ultimate rebound adjustable shock. Each aluminum PRO Twin Tube Shock is carefully hand-built and comes with a serial numbered dyno graph for reference setting. PRO Shocks carries all of the popular valve combinations and custom valving options are available.
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New valve body with 32 clicks of adjustment for fine-tuning.

Low speed adjustable for the ultimate in driver feel.

New steel billet piston design for internal sealing and endurance.

Low friction steel bearing rotates freely and withstands high temperatures.


California Proposition 65 Statement