Page 544 - 2017 Racecar Engineering Circle Track Parts and Accessories Catalog

STEEL MONOTUBE SHOCKS ECONOMY STOCK
26A SERIES IMCA-LEGAL MOUNT STEEL SHOCKS
Steel monotube, gas pressurized shocks include a sealed hyperscrew, al- EC/ES SERIES
lowing adjustability only by QA1 or QA1’s authorized rebuilders per IMCA rules. White painted, stock replacement shock has heavy duty valving,
Shocks feature an electroless nickel plated body for corrosion resistance and foam cells to reduce fade and bolts to stock mounts. Non-gas and
are offered with linear or digressive pistons. Linear shocks include an “M” non-adjustable, they will meet most track rules.
suffix in the part number. Valving Comp./ Comp.
Valving Comp. Extended Part No. Reb. Length Ext. Length Description
Part No. Comp./Rebound Length Length Front Shocks
7" Stroke Shock Absorbers GM Full Size; Ford Mid/Full Size Stud/T-Bar
8.92"
13.67"
QA1EC1956P
6
QA126A73-5* 3-5 13.70" 20.70" QA1EC1957-3P 7-3 8.92" 13.67" Stud/T-Bar
QA126A73-5M † 3-5 13.70" 20.70" QA1EC1958P 8 8.92" 13.67" Stud/T-Bar
QA126A73-7* 3-7 13.70" 20.70" Rear Shocks
GM Full Size; Ford Mid/Full Size
QA126A73-7M † 3-7 13.70" 20.70" QA1EC1683-5P* 3-5 12.53" 20.53" T-Bar/Eye
QA126A74M † 4 13.70" 20.70" QA1EC1685P 5 12.53" 20.53" T-Bar/Eye
QA126A75M † 5 13.70" 20.70" Most Ford; 1967-69 And 1982-04 Camaro
5
QA1EC1985P
Stud/Eye
12.00" 20.00"
QA126A75-3* 5-3 13.70" 20.70" 1970-81 Camaro/Firebird
QA126A75-3M † 5-3 13.70" 20.70" QA1EC2585P 5 12.00" 20.00" T-Bar/Stud
QA126A76-2* 6-2 13.70" 20.70" * Tie down for left rear to help loosen the car on corner entry and exit.
9" Stroke Shock Absorbers
QA126A912-2M † 12-2 15.70" 24.70" STEEL STOCK
QA126A93* 3 15.70" 24.70" MOUNT LARGE BODY SHOCKS
QA126A93-5* 3-5 15.70" 24.70" 53 SERIES
QA126A93-5M † 3-5 15.70" 24.70" Stock mount, twin tube shocks are manufactured using a large, 2-1/16"
QA126A94M † 4 15.70" 24.70" diameter steel shock body for improved gas bag clearance. Racer rebuildable
QA126A95M † 5 15.70" 24.70" shocks feature linear valving and are suited to Southern Sport Mods, stock
cars, street stocks, mini stocks and limited modifieds.
QA126A97-2M † 7-2 15.70" 24.70" Valving Comp. Ext.
QA126A98-2* 8-2 15.70" 24.70" Part No. Comp./Reb. Length Length
QA126A98-2M † 8-2 15.70" 24.70" Front Shocks
GM Mid-Size/1970-81 Camaro/Firebird
* Digressive shock absorber. † Linear shock absorber. QA153943-5 3-5 9.09" 13.36"
QA153943-8 3-8 9.09" 13.36"
QA153945-3 5-3 9.09" 13.36"
QA153947 7 9.09" 13.36"
QA153947-3 7-3 9.09" 13.36"
QA153948 8 9.09" 13.36"
GM Full Size/Ford Full/Mid-Size
COIL-OVER KITS QA153957 7 9.94" 14.94"
Kits includes aluminum sleeve, spring cap, QA153957-3 7-3 9.94" 14.94"
spring seat adjuster nut, wire ties, spring cap QA153958 8 9.94" 14.94"
retainer pin, jam nut and snap rings. Rear Shocks
1970-81 Camaro/Firebird
Part No. Description QA153583-5 3-5 12.88" 20.91"
QA1CK1951C 2-1/2" I.D. Springs, 75 Series, Cone Cap With Jam Nut QA153584 4 12.88" 20.91"
QA1CK1971C 2-1/2" I.D. Springs, 55 Series With Jam Nut QA153585 5 12.88" 20.91"
QA1CK5007 2-1/2" I.D. Springs, 20, 26, 28 & 50 Series, 9" Stroke GM Full/Mid-Size 13.26" 21.30"
3-5
QA153683-5
QA1CK5009 5" O.D. Springs, 26, 28 And 50 Series, 7" And 9" Stroke QA153684 4 13.26" 21.30"
QA1CK5105 2-1/2" I.D. Springs, 51 Series, 7" Stroke QA153685 5 13.26" 21.30"
QA1CK5107 2-1/2" I.D. Springs, 51 Series, 9" Stroke Most Fords/1979-93 Mustang
QA1CK5109 5" O.D. Springs, 51 Series, 7" And 9" Stroke QA153883-5 3-5 13.00" 21.00"
QA1CK6007 2-1/2" I.D. Springs, 60 Series, 8" And 9" Stroke
QA1CK6201 2-1/2" I.D. Springs, 16 And 62 Series
QA1CK8201 1-7/8" I.D. Springs, 82 Series
QA19035-115 Spring Cap Retainer (Diaper Pin)

LINEAR VS. DIGRESSIVE PISTONS
A linear piston provides a curve that features an increase in force that is
directly related to an increase in speed. The quicker the shock moves, the
stiffer it becomes, while a digressive piston offers a curve that does not
increase directly related to shock speed.
DAVID MASSIE JOHN BERGLUND
543