Self-Mounting Shock Absorber Arms Standard Features: 1/2 Dia. Connecting Hole 12″ Center Distance (Shaft to Connecting Hole) Optional Features: Connecting Hole Size to 5/8″ Special Sizes Upon Request Model “L”: Part No. 2600 – 12″ Part No. 2617 -9″ Part No. 2613 – 6″ Model “M”: Part No. 2601 – 12″ Part No. 2618 – 9″ Part No. 2614 – 6″ 3″ Model: See Series 70 *Custom linkages available per customer request