PRW "Final Answer" Adjustable Rear Arms

PRW "Final Answer" Adjustable Rear Arms
Brand: PRW
Product Code: FA-arms
Availability: In Stock
$59.99
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Pemberton RaceWorks is proud to present "The Final Answer" adjustable rear arm.  This arm was designed by racers for racers and offers the ultimate in track side adjustability.  Over the last few years there have been several good adjustable arms offered with every new arm better than the last.  We’ve learned from the successes and the mistakes and can say with confidence that PRW has the Final Answer.  This arm has up to 12 degrees of adjustment (+6 degrees to -6 degrees) and allows for track width adjustment.  The delrin arm has 2 sliding “Rails” that are captured in the arm’s front and rear pockets.  These rails can be individually positioned at various lengths creating toe-in and/or toe-out at the outer hinge pin position.   Major advancements with this arm are as follows:

  • NO CHANGE IN WHEELBASE TO ACCOMPLISH TOE-IN/TOE-OUT

  • TOE POSITIONING WILL NOT MOVE AS A RESULT OF A CRASH OR BRUSHING THE WALL

  • TRACK WIDTH CAN BE ADJUSTED

Built from the highest quality delrin and aluminum, this arm is ultra-strong. This arm will fit any current dirt oval car on the market today. No more buying toe blocks or wheel spacers....this arm does it all!!

This is the top view of the arm. +/-6 degrees of toe with no change to the wheelbase. Track width can be modified by sliding both rails in or out.

This is the bottom view of the arm. Each rail can have 3 screw to secure the rail to the arm, but only 2 are necessary. The locator screw can be put in one of 7 positions on each rail, allowing the rail to be positioned from +3 degrees to -3 degrees. The 1st arm in this illustration has both locator screws in the Zero position (0* toe). The 2nd arm in this illustration shows one rail in the +3 position and one in the -3 position (6* toe).

Some have asked how the outer hinge pin keeps from binding. The hinge pins ride in pivot balls that rotate, with the hinge pin, through its range of motion. The pivot balls are the same as you would find in the lower arm of our pan car front end.

This shows pivot balls in the arm in both 0 degree and 6 degree setting with no binding on the pins. Pivot balls rotate to compensate. Major advancements with this arm are (1) no change in wheelbase to accomplish toe, (2) toe will not alter on impact, and (3) track width can be adjusted.

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