Page 108 - 2017 Racecar Engineering Circle Track Parts and Accessories Catalog
P. 108
SUSPENSION
QUICK CHANGE BRACKET SPRING/BUSHING STYLE PULL BAR
ALL60181 (SINGLE SHAFT) ALL56366
Clamp-on bracket mounts on left Torque link uses a combina-
side tube of quick change to connect tion of coil spring
Panhard bar. Change roll center height by loosening and poly bushings
clamp and pivoting bracket up or down. Measures 11-3/4" to absorb engine
from housing to end of bracket 3/4"-16 threads. Grade 5 hardware torque and in-
with Nyloc nuts included crease traction to rear
tires. Ideal for the experienced
driver and a car with radical
6TH COIL ASSEMBLY suspension travel. Torque link comes standard with two yellow (75 durometer)
poly bushings on the engine torque side and a single red (87 durometer) poly
ALL64315 brake bushing. Other bushings are available for additional tuning options. Unit
Unit bolts in the center of the chassis to 1-1/2" tub- requires a 5" O.D. x 6-5/8" or 7" tall coil spring, sold separately. Unit is 16"
ing and the bottom connects to the front of a lift bar long overall and most commonly used with two 3/4"-16 rod ends (1-RH Male
using the supplied chain. Accepts a 4" tall by 2-1/2" and 1-LH Male) and a 3/4" suspension tube. Subtract 19" from center to center
I.D. coil over spring. of the chassis mounting distance to determine required tube length. 8.5 lbs.,
Spring not
included. without spring.
SPRING STYLE PULL BAR (DUAL SHAFT)
ALL56367
Torque link uses a coil
spring to absorb
SPRING PRE-LOADER engine torque
Pre-loader allows use of a softer spring rate that is “pre- and increase traction
loaded” at ride height. The pre-load spring will have less rate to rear tires. The twin shaft design allows
increase as the suspension travels. For example, a 150 lb./in. spring engine torque and brake bushings to be adjusted separately. A single red (87
can be pre-loaded to 400 lbs. at ride height, but still only increase at durometer) poly bushing is included. Other bushings are available for additional
a rate of 150 lb./in. as suspension travels. The entire unit may also tuning options. Unit requires a 5" O.D. x 6-5/8" or 7" tall coil spring, sold sepa-
be exchanged with another unit with a different rate spring pre- rately. Unit is 18-1/2" long overall and most commonly used with two 3/4"-16
installed to allow spring rate changes without affecting ride height. rods ends (1-RH Female and 1-LH Male) and a 3/4" suspension tube. Subtract
Commonly used on the rear coil-overs, pre-loader 21-1/2" from center to center of the chassis mounting distance to determine
requires a 3” I.D. spring, includes a thrust bearing set required tube length. 8.5 lbs., without spring.
and fits most shocks. Note: Unit is typically installed
with slotted inner half towards the shock body. Always ALL64230 BUSHING STYLE PULL BAR
check components for possible interference. (SINGLE SHAFT) ALL56364
Part No. Description
ALL64230 Pre-Loader For 10" Tall Spring Torque link
ALL64232 Pre-Loader For 12" Tall Spring uses energy
ALL64234 Pre-Loader For 14" Tall Spring absorbing poly-
Replacement/Related Components urethane bush-
ALL11187 Pre-Loader Body Wrench ings to absorb
ALL11188 Pre-Loader Nut Wrench engine torque
ALL64212 Replacement 3" Bearing Set and increase
traction to rear tires. Includes two blue (80 durometer) poly bushings on the
SPRING/BUSHING STYLE PULL BAR engine torque side and a single red (87 durometer) poly brake bushing. These
(DUAL SHAFT) ALL56368 durometers work well for a majority of racers, especially those running open
class mods such as UMP and USMTS cars. Other bushings are available for
Torque link uses a coil spring to absorb unlimited tuning options. Unit is 15-1/2" long overall and most commonly used
engine torque and increase with two 3/4"-16 rod ends (1-RH Male and 1-LH Male) and a 3/4" suspension
traction to rear tube. Subtract 18-1/2" from center to center of the chassis mounting distance
tires. The twin to determine required tube length. 9.23 lbs.
shaft design
allows engine torque and brake bushings
to be adjusted separately. Unit comes
with two purple (60 durometer) engine
torque bushings and one red (87 durometer) brake bushing. Other bushings are
available for additional tuning options. Unit requires a 5" O.D. x 6-5/8" or 7" tall
coil spring, sold separately. Unit is 17" long overall and most commonly used
with two 3/4"-16 rods ends (1-RH Female and 1-LH Male) and a 3/4" suspen-
sion tube. Subtract 20" from center to center of the chassis mounting distance
to determine required tube length. 9.3 lbs., without spring.
CHAD WERNETTE
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