Shock Part Number
Compressed Length Extended Length Recommended
Ride Height
Recommended
Spring Length
(Free Length)
ALN3855B/ALN3855P 8 5/8"
11 ¼"
9 ¾"-10 ½"
7"
ALN4855B/ALN4855P 10 1/8"
14 ¼"
12" -12 ½"
9"/10"
ALN5855B/ALN5855P 11 ¼"
16 ¼"
13 ¼"-14¼"
12"
DD/DS/US/RS301, 302 9 ½"
12 5/8"
9 ½" -10"
7"
DD/DS/US/RS303, 304 8 5/8"
11 1/8"
10 ¾"-11 ¼"
7"/8"/9"
DD/DS/US/RS401, 402 10 1/8"
14"
11 ¼"-12 ½"
9"/10"
DD/DS/US/RS403, 404 11 1/8"
15"
12 ½"-13 ¼"
10"
DD/DS/US/RS501, 502 11 5/8"
17"
13 ¼"-14 ½"
12"
DD/DS/US601, 602
12 ½"
18 ¾"
15 ¼" -15 ¾"
14"
DD/DS/RS701, 702
13"
19 ½"
16"- 16 ¾"
14"
DD/DS/RS901, 902
15"
23 ¾"
18 ½" -19 ½"
14"
Note:
RS shocks cannot be used as coil-over shocks
Shock Valving Adjustments
QA1 shocks have 18 damping settings per knob. There are 6 clicks per revolution of each knob, and each knob has 3
complete revolutions. The knob set fully counter clockwise is the softest setting - start your adjustments from that point.
Recommended base settings to begin testing with are as follows:
Front Shock Valving Adjustments
Shocks with one adjuster knob:
Shocks with two adjuster knobs:
Compression
Rebound
Drag Racing:
0-6 clicks
12-18 clicks
0-6 clicks
Nice ride and handling:
0-6 clicks
0-6 clicks
2-8 clicks
Firm ride & improved handling:
6-12 clicks
6-12 clicks
8-14 clicks
Aggressive handling:
13-18 clicks
13+ clicks
14-18 clicks
Rear Shock Valving Adjustments
Shocks with one adjuster knob:
Shocks with two adjuster knobs:
Compression
Rebound
Drag Racing:
4-10 clicks
0-6 clicks
4-10 clicks
Nice ride and handling:
0-6 clicks
0-6 clicks
2-8 clicks
Firm ride & improved handling:
6-12 clicks
6-12 clicks
8-14 clicks
Aggressive handling:
13-18 clicks
13+ clicks
14-18 clicks
