Page 123 - 2019-2020 Racecar Engineering Circle Track Parts and Accessories Catalog

SUSPENSION

Slider Boxes GM Metric Trailing Arms
Slider boxes weld to the New, stamped steel, C-channel arms are strong and sturdy.
chassis and provide an Improve handling of the rear suspension on 1978-88 GM metric
adjustable mount for trailing chassis by replacing twisted or worn out rear control arms. Sold
arms, panhard bars and each.
upper links. Boxes are
constructed of .120" wall
material and are 1-1/2 wide
x 2-1/2" deep x 6" tall with
a 4" slot that provides 3" of
adjustment. ALL57820 ALL57822
Part No. Description
Part No. Description ALL57820 Upper, 2.6 Lbs.
ALL60186 5/8" ALL57822 Lower, 3.6 Lbs.
ALL60188 3/4"
Adjustable GM Metric Chassis Trailing Arms
Slider Box Quick Adjust Kit ALL60198
Adjustable steel 1978-88 G-body metric upper and lower rear
Weld-on kit adds an adjustable feature
to standard 3/4" slider boxes. Slider boxes end trailing arms are complete with left and right 3/4" rod ends,
VWHS VSDFHUV UHGXFLQJ WR D KROH DQG FXW WR ¿W VWRFN *0 W\SH
commonly used for trailing arms, panhard mounts. Upper arm aids in adjusting pinion angle and centering
bars and upper links can now be quickly rear end. Lower arm will adjust wheel base.
adjusted with a wrench, socket or possibly
a remote adjuster. Threaded adjuster block
features a reference indicator.
ALL57824
ALL57826
Slider Box T-Nuts
T-nuts have slot built in to keep them from turning. No second Part No. Description
wrench is needed to tighten or loosen. Use with ALL60186 and ALL57824 Upper
ALL60188 slider box. Sold each. ALL57826 Lower
Part No. Description
ALL60194 1/2"-13 (Coarse Thread) GM Trailing Arm Bushing ALL56247
ALL60195 1/2"-20 (Fine Thread)
ALL60196 5/8"-11 (Coarse Thread) GM bushing with an elastomer bearing insert
ALL60197 5/8"-18 (Fine Thread) improves handling and traction, while eliminat-
ALL60192 3/4"-10 (Coarse Thread) ing bind. Use with stock trailing arms for race
ALL60193 3/4"-16 (Fine Thread) or street. Fits most 1965-88 Chevy Chevelle/
Malibu, Buick Skylark/GS, Olds Cutlass/442
Slider Box Rod End Spacers and Pontiac LeMans/GTO.
Spacers are machined to work with
ALL60186 and ALL60188 slider boxes GM Trailing Arm Bushing ALL56245
¿WWLQJ EHWZHHQ EUDFNHW DQG URG HQG WR Direct replacement, heavy duty polyurethane
properly space rod end and prevent bushing improves handling and traction. Fits
binding. May also be used as a standard rod end spacer. Pack- most 1965-88 Chevy Chevelle/Malibu, Buick
age of 2. Skylark/GS, Olds Cutlass/442 and Pontiac
Part No. Description LeMans/GTO.
ALL60187 Spacers For 1/2" Slider Box
ALL60189 Spacers For 3/4" Slider Box
GM Trailing Arm Bushing With Insert
Swing Arms ALL56248
Popular GM bushing features an inter-
Lower rear suspension link. Each arm is zinc
plated for corrosion changeable polyurethane insert which can be
resistance, with a 3/4" exchanged to increase or decrease rear steer
rod end on one end and threads in the other end to accept a 3/4" for maximum traction. Bushing includes a 40
PDOH URG HQG 8VHG RQ 'LUW /DWH 0RGHOV DQG 0RGL¿HGV $YDLO- durometer insert. Use with stock or adjustable
able in 13-1/2", 15-1/2" and 19" lengths. trailing arms. Fits most 1965-88 Chevy Chevelle/Malibu, Buick
Skylark/GS, Olds Cutlass/442 and Pontiac LeMans/GTO.
Part No. Description
ALL56052 13-1/2" Part No. Description
ALL56053 15-1/2" Related Parts
ALL56054 19" ALL99400 Bushing Insert 40 Durometer (Soft)
ALL99401 Bushing Insert 60 Durometer (Medium)
ALL99402 Bushing Insert 80 Durometer (Hard)

2019-20 CIRCLE TRACK PARTS AND ACCESSORIES 119