Page 562 - 2020-2021 Racecar Engineering Drag Racing Parts and Accessories Catalog

2020 DRAG RACING

Pro Coil-Over Systems Pro-Drag Rear Coil-Over Conversion Kit NEW!
With MOD Series Shock Absorbers NEW! QA1ALN2000K
Pro Coil-Over Systems update GM muscle
cars to modern coil-over front suspension
with precise rebound and ride height
adjustments. Innovative MOD series shock
absorbers utilize modular valve packs that
allow complete revalving of the shock
without even having to remove it from the
car. Shocks include 24-click independent
compression and rebound adjustments. Sold
complete with conical front coil springs, threaded, aluminum- bodied shock All-inclusive kit allows converting rear suspension over to coil-over shock
absorbers, hardware, and instructions. absorbers. Engineered for applications that have 1,301-1,550 lbs. over the
Part No. Description rear wheels and utilize a differential with 3" dia. axle tubes, kit includes
QA1MG401-10350A 1967-69 "F" Body/1968-74 "X" Body, 350 Lb. Spring Rate aluminum-bodied, ride-sensitive coil-over shocks, 130/250 lb. variable rate
1973-77 "A" Body/1975-79 "X" Body/1978-88 "G" Body/
QA1MG401-10350C springs, crossmember, adjustable coil-over mounting brackets and necessary
1982-84 GM S-Series, 350 Lb.
QA1MG401-10400A 1967-69 "F" Body/1968-74 "X" Body, 400 Lb. Spring Rate hardware.
QA1MG401-10450A 1967-69 "F" Body/1968-74 "X" Body, 450 Lb. Spring Rate
QA1MG401-10450B 1968-72 "A" Body, 450 Lb. Spring Rate
QA1MG501-10450A 1964-67 "A" Body/1955-57 Chevy, 450 Lb. Spring Rate Pro-Rear Systems
QA1MG501-10450C 1970-81 "F" Body, 450 Lb. Spring Rate
A complete rear coil-over conversion kit, the Pro-Rear System is versatile,
lightweight and durable. Suited to drag racing or street applications using
GM Street And Race Control Arms
rears with 3" dia. axle tubes, custom mount weld-on kit includes choice of
Tubular steel control arms reduce unsprung lightweight aluminum, single or double-adjustable coil-over shock absorbers,
weight and improve handling characteristics. choice of linear or variable rate coil-over springs, shock crossmember,
Street control arms have polyurethane mounting brackets and all required hardware.
bushings and OEM-style ball joints, while
Race versions use low-friction, low-defl ection
bushings and low-friction ball joints. Upper
control arms include offset cross shafts for eased camber adjustment. Sold
in pairs with necessary hardware.
Upper Lower
Control Arms Control Arms
Description Part No. Part No.
Street Control Arms
1967-69, GM F-Body, 1968-74 X-Body QA152417 QA152419
1964-72, GM A-Body QA152422 QA152437
1982-04, S-10/S-15 QA152467 QA152466
Race Control Arms
1967-69, GM F-Body, 1968-74 X-Body QA152317 QA152319 1100-1300 lbs. 1301-1500 lbs. 1501-1700 lbs.
1970-81 GM F-Body QA152318 QA152320 Description Part No. Part No. Part No.
1964-72 GM A-Body QA152322 QA152337 Single Adjustable QA1DS501-12110 — —
1978-88 GM G-Body QA152365 QA152364 Shocks/Linear Springs
Note: Although primarily intended for use with QA1 Pro Coil-Over Systems, control arms may be used with Single Adjustable
conventional coil springs with the purchase of bolt-in coil spring adapters, offered separately and listed Shocks/Variable Springs QA1DS501-12100V QA1DS501-12130V QA1DS501-12175V
below. Double Adjustable
Shocks/Variable Springs QA1DD501-12100V — —

Coil Spring Adapters
Specialized adapters bolt direct into QA1 tubular
lower control arms and allow use of a stock-
style coil spring.
Part No. Description
QA17720-168 1964-72 GM A-Body, 1967-69 GM F-Body, 1968-79 GM X-Body
QA17720-203 1973-77 GM A-Body, 1978-88 GM G-Body, 1970-81 GM F-Body, 1982-04 S-10

Photo by: Chris Simmons Zack Sherman

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