Page 633 - 2021-22 Auto Performance_Circle Track
P. 633
Suggested "AC" Part Numbers for Asphalt Late Models
Left
Right
Suggested "WB" Part Numbers for Limited
Left Right
Average Pavement Track
Front
PROWB76BK
PROWB76BK
Rear
PROWB95BK
PROWB95BK
Fast Pavement Track
Front
PROWB77BK
PROWB77BK
Rear
PROWB96BK
PROWB96BK
Average Dirt Track
Front
PROWB76BK
PROWB76BK
Rear
PROWB95BK
PROWB95BK
Tacky or Rough Dirt Track
Front
PROWB77BK
PROWB77BK
Rear
PROWB96BK
PROWB96BK
Slick or Slow Dirt Track
Front
PROWB75BK
PROWB763BK
Rear
PROWB94BK
PROWB94BK
Under 2100 lbs.
Front
PROAC750B
PROAC760B
Rear
PROAC940B
PROAC940B
2100 lbs. and Over
Front
PROAC760B
PROAC760B
Rear
PROAC950B
PROAC950B
Up to 2800 lbs. Average Track
Front
PROAC760B
PROAC760B
Rear
PROAC940B
PROAC940B
Up to 2800 lbs. High Bank/High Speed Track
Front
PROAC770B
PROAC770B
Rear
PROAC950B
PROAC950B
2800 lbs. and Over
Front
PROAC770B
PROAC770B
Rear
PROAC950B
PROAC950B
Coil-Over Kit PROC320
shocks. Includes upper spring seat, threaded adjuster and pin.
WB Series Steel Shock Absorbers
Stocks, redesigned black steel-bodied shock ab-
Note: Take Apart or Pro Gas series shocks may be substituted for above recommendations.
Steel Take-Apart Shock Absorbers
Gold iridite plated shocks may be converted to coil-over units - ferent valvings. Take-apart shocks accept bearing ends, which must be purchased separately.
Part No.
Stroke
Collapsed Length
Extended Length
Damping Comp./Rebound
PROTA730 7" 12.50" 19.50" 3/3
PROTA740 7" 12.50" 19.50" 4/4
PROTA7410 7" 12.50" 19.50" 4/10
PROTA7412 7" 12.50" 19.50" 4/12
PROTA7414 7" 12.50" 19.50" 4/14
PROTA746 7" 12.50" 19.50" 4/6
PROTA748 7" 12.50" 19.50" 4/8
PROTA750 7" 12.50" 19.50" 5/5
PROTA7510 7" 12.50" 19.50" 5/10
PROTA7511 7" 12.50" 19.50" 5/11
PROTA7512 7" 12.50" 19.50" 5/12
PROTA7514 7" 12.50" 19.50" 5/14
PROTA753 7" 12.50" 19.50" 5/3
PROTA758 7" 12.50" 19.50" 5/8
PROTA759 7" 12.50" 19.50" 5/9
PROTA760 7" 12.50" 19.50" 6/6
PROTA7611 7" 12.50" 19.50" 6/11
PROTA762 7" 12.50" 19.50" 6/2
PROTA763 7" 12.50" 19.50" 6/3
PROTA767 7" 12.50" 19.50" 6/7
PROTA768 7" 12.50" 19.50" 6/8
PROTA770 7" 12.50" 19.50" 7/7
PROTA791 7" 12.50" 19.50" 9/1
PROTA935 9" 14.50" 23.50" 3/5
PROTA936 9" 14.50" 23.50" 3/6
PROTA940 9" 14.50" 23.50" 4/4
PROTA946 9" 14.50" 23.50" 4/6
PROTA950 9" 14.50" 23.50" 5/5
PROTA960 9" 14.50" 23.50" 6/6
PROTA962 9" 14.50" 23.50" 6/2
PROTA991 9" 14.50" 23.50" 9/1
PROTA992 9" 14.50" 23.50" 9/2
strokes with several different valvings. Has bearing welded on both ends. May be run upside down. Collapsed Extended Damping
Part No. Stroke Length Length Comp./Rebound
PROWB735BK
7"
12.50"
19.50"
3/5
PROWB74BK
7"
12.50"
19.50"
4/4
PROWB746BK
7"
12.50"
19.50"
4/6
PROWB75BK
7"
12.50"
19.50"
5/5
PROWB753BK
7"
12.50"
19.50"
5/3
PROWB76BK
7"
12.50"
19.50"
6/6
PROWB763BK
7"
12.50"
19.50"
6/3
PROWB77BK
7"
12.50"
19.50"
7/7
PROWB791BK
7"
12.50"
19.50"
9/1
PROWB93BK
9"
14.50"
23.50"
3/3
PROWB935BK
9"
14.50"
23.50"
3/5
PROWB94BK
9"
14.50"
23.50"
4/4
PROWB946BK
9"
14.50"
23.50"
4/6
PROWB95BK
9"
14.50"
23.50"
5/5
PROWB953BK
9"
14.50"
23.50"
5/3
PROWB96BK
9"
14.50"
23.50"
6/6
PROWB97BK
9"
14.50"
23.50"
7/7
Coil-Over Kits for WB Series
Coil-over kits are designed for use with
Part No. Description
PROC300WB
Coil-Over Kit, 2-1/2"
PROC327WB
Coil-Over Kit, 5"
DANIELLE OSBORNE
RYAN OSBORNE
TRACK
CIRCLE 2021-22
MARCUS BERGLUND
631
