Page 116 - 2019-2020 Racecar Engineering Circle Track Parts and Accessories Catalog
P. 116
SUSPENSION
Spring Pre-Loader ALL64230 Spring Style Pull Bar (Dual Shaft) ALL56367
Pre-loader allows use of a softer spring rate that is Torque link uses a coil spring to
“pre-loaded” at ride height. The pre-load spring will absorb engine torque
have less rate increase as the suspension travels. For and increase
example, a 150 lb./in. spring can be pre-loaded to 400 traction to rear
lbs. at ride height, but still only increase at a rate of 150 tires. The twin shaft de-
lb./in. as suspension travels. The entire unit sign allows engine torque and brake
may also be exchanged with another unit bushings to be adjusted separately. A single red (87 durometer)
with a different rate spring pre-installed to poly bushing is included. Other bushings are available for addi-
allow spring rate changes without affecting tional tuning options. Unit requires a 5" O.D. x 6-5/8" or 7" tall
ride height. Commonly used on the rear coil-overs, pre-loader coil spring, sold separately. Unit is 18-1/2" long overall and most
UHTXLUHV D ´ , ' VSULQJ LQFOXGHV D WKUXVW EHDULQJ VHW DQG ¿WV commonly used with two 3/4"-16 rods ends (1-RH Female and
most shocks. Note: Unit is typically installed with slotted inner 1-LH Male) and a 3/4" suspension tube. Subtract 21-1/2" from
half towards the shock body. Always check components for center to center of the chassis mounting distance to determine
possible interference. required tube length. 8.5 lbs., without spring.
Part No. Description
ALL64230 Pre-Loader For 10" Tall Spring
ALL64232 Pre-Loader For 12" Tall Spring Bushing Style Pull Bar (Single Shaft)
ALL64234 Pre-Loader For 14" Tall Spring ALL56364
Replacement/Related Components Torque link
ALL11187 Pre-Loader Body Wrench uses energy
ALL11188 Pre-Loader Nut Wrench absorbing
ALL64212 Replacement 3" Bearing Set
polyurethane
bushings to
Spring/Bushing Style Pull Bar (Dual Shaft) absorb engine
ALL56368 torque and increase traction to rear tires. Includes two blue (80
durometer) poly bushings on the engine torque side and a single
Torque link uses
a coil spring red (87 durometer) poly brake bushing. These durometers work
to absorb well for a majority of racers, especially those running open class
engine torque and mods such as UMP and USMTS cars. Other bushings are avail-
increase traction to rear tires. The able for unlimited tuning options. Unit is 15-1/2" long overall and
twin shaft design allows engine most commonly used with two 3/4"-16 rod ends (1-RH Male and
torque and brake bushings to be adjusted separately. Unit 1-LH Male) and a 3/4" suspension tube. Subtract 18-1/2" from
comes with two purple (60 durometer) engine torque bushings center to center of the chassis mounting distance to determine
and one red (87 durometer) brake bushing. Other bushings are required tube length. 9.23 lbs.
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 over- Bushing Style Pull Bar (Dual Shaft)
all and most commonly used with two 3/4"-16 rods ends (1-RH ALL56363
Female and 1-LH Male) and a 3/4" suspension tube. Subtract
20" from center to center of the chassis mounting distance to Torque link utilizes
determine required tube length. 9.3 lbs., without spring. energy absorb-
ing polyurethane
bushings to absorb
Spring/Bushing Style Pull Bar (Single Shaft) engine torque and increase
ALL56366 traction to rear tires. Includes one orange (55 durometer), one
purple (60 durometer) and one blue (80 durometer) poly bushing
Torque link uses
a combination of on the engine torque side. This bushing combination works simi-
coil spring and lar to a progressive spring; the softer bushings collapse at a fast-
poly bushings er rate than the harder bushings until the unit is solely working
to absorb engine torque on the hardest bushing. A single red (87 durometer) poly brake
and increase traction to bushing is also included. The dual shaft design allows engine
rear tires. Ideal for the torque and brake bushings to be adjusted separately. Unit is 17"
experienced driver and a car with radical suspension travel. long overall. Subtract 20" from center to center of the chassis
Torque link comes standard with two yellow (75 durometer) mounting distance to determine required tube length. 10.8 lbs.
poly bushings on the engine torque side and a single red (87
durometer) poly 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 16" long overall and most
commonly used with two 3/4"-16 rod ends (1-RH Male and 1-LH
Male) and a 3/4" suspension tube. Subtract 19" from center to
center of the chassis mounting distance to determine required
tube length. 8.5 lbs., without spring.
NICK KURTZ JOHNNY B
112 2019-20 CIRCLE TRACK PARTS AND ACCESSORIES