7/8" SOLID TORSION BARS
.400 TO 1.000 Diameter
Diameter Length

.400
.425
.450
.475
.500
.525
.550
.575
.600
.625
.650
.675
.700
.725
.750
.775
.800
.825
.850
.875
.900
.925
.950
.975
1.000

22-1/2"
-
-
-
-
225SD500
225SD525
225SD550
225SD575
225SD600
225SD625
225SD650
225SD675
225SD700
225SD725
225SD750
225SD775
225SD800
225SD825
225SD850
225SD875
225SD900
225SD925
225SD950
225SD975
-

24"
-
-
-
-
-
-
-
-
-
-
-
-
24SD700
24SD725
24SD750
24SD775
24SD800
24SD825
24SD850
24SD875
-
-
-
-
-

24-1/2"
-
-
-
-
-
-
-
-
245SD600
245SD625
245SD650
245SD675
245SD700
245SD725
245SD750
245SD775
245SD800
245SD825
245SD850
245SD875
-
-
-
-
-
26"
26SD400
26SD425
26SD450
26SD475
26SD500
26SD525
26SD550
26SD575
26SD600
26SD625
26SD650
26SD675
26SD700
26SD725
26SD750
26SD775 26SD800
26SD825
26SD850
26SD875
26SD900
26SD925
26SD950
26SD975
26SD1000
28"
828SD400
828SD425
828SD450
828SD475
828SD500
828SD525
828SD550
828SD575
828SD600
828SD625
828SD650
828SD675
828SD700
828SD725
828SD750
828SD775
828SD800
828SD825
828SD850
828SD875
828SD900
828SD925
828SD950
828SD975
828SD1000
30"
-
-
-
-
-
-
830SD550
-
830SD600
-
830SD650
-
830SD700
-
830SD750
-
-
-
-
-
-
-
-
-
-

7/8" HOLLOW TORSION BARS
.600 to .925 Diameter
Diameter Length

.600
.625
.650
.675
.700
.725
.750
.775
.800
.825
.850
.875
.900
.925
22-1/2"
225HW600
225HW625
225HW650
225HW675
225HW700
225HW725
225HW750
225HW775
225HW800
225HW825
225HW850
-
-
-
24"
-
-
-
-
24HW700
24HW725
24HW750
24HW775
24HW800
24HW825
24HW850
-
-
-
24-1/2"
-
-
-
-
245HW700
245HW725
245HW750
245HW775
245HW800
245HW825
245HW850
245HW875
-
-
26"
26HW600
26HW625
26HW650
26HW675
26HW700
26HW725
26HW750
26HW775
26HW800
26HW825
26HW850
26HW875
26HW900
26HW925
28"
828HW600
828HW625
828HW650
828HW675
828HW700
828HW725
828HW750
828HW775
828HW800
828HW825
-
-
-
-
3/4" SOLID TORSION BARS
.600 to .775 Diameter
Diameter Length

.600
.610
.620
.630
.640
.650
.660
.670
.680
.690
.700
.710
.720
.730
.740
.750
.765
.775

23"
23SD600
23SD610
23SD620
23SD630
23SD640
23SD650
23SD660
23SD670
23SD680
23SD690
23SD700
23SD710
23SD720
23SD730
23SD740
23SD750
23SD765
23SD775


1" SOLID TORSION BARS
.400 to 1.050 Diameter
Diameter Length

.400
.425
.450
.475
.500
.525
.550
.575
.600
.625
.650
.675
.700
.725
.750
.775
.800
.825
.850
.875
.900
.925
.950
.975
1.000
1.025
1.050
26"
-
-
-
-
-
-
-
-
126SD600
126SD625
126SD650
126SD675
126SD700
126SD725
126SD750
126SD775
126SD800
126SD825
126SD850
126SD875
126SD900
126SD925
126SD950
126SD975
126SD1000
126SD1025
126SD1050

28"
128SD400
128SD425
128SD450
128SD475
128SD500
128SD525
128SD550
128SD575
128SD600
128SD625
128SD650
128SD675
128SD700
128SD725
128SD750
128SD775
128SD800
128SD825
128SD850
128SD875
128SD900
128SD925
128SD950
128SD975
128SD1000
128SD1025
128SD1050

30"
-
-
-
-
-
-
-
-
-
-
-
-
130SD700
130SD725
130SD750
130SD775
130SD800
130SD825
130SD850
130SD875
130SD900
130SD925
130SD950
130SD975
130SD1000
-
-

OW TORSION BARS
.600 to .950 Diameter
Diameter Length

.600
.625
.650
.675
.700
.725
.750
.775
.800
.825
.850
.875
.900
.925
.950

26"
126HW600
126HW625
126HW650
126HW675
126HW700
126HW725
126HW750
126HW775
126HW800
126HW825
126HW850
126HW875
126HW900
126HW925
126HW950

28"
-
-
-
-
128HW700
128HW725
128HW750
128HW775
128HW800
128HW825
128HW850
128HW875
128HW900
128HW925
128HW950

30"
-
-
-
-
130HW700
130HW725
130HW750
130HW775
130HW800
130HW825
130HW850
130HW875
130HW900
130HW925
130HW950

1" QUICKSTAR TORSION BARS
.775 TO .850 Diameter
Diameter Length

.775
.800
.825
.850
26"
126QS775
126QS800
126QS825
126QS850

28"
128QS775
128QS800
128QS825
128QS850

1-1/8" SOLID TORSION BARS
.750 TO 1.125 Diameter
Diameter Length

.750
.775
.800
.825
.850
.875
.900
.925
.950
.975
1.000
1.025
1.050
1.075
1.100
1.125
29"
29SD750
29SD775
29SD800
29SD825
29SD850
29SD875
29SD900
29SD925
29SD950
29SD975
29SD1000
29SD1025
29SD1050
29SD1075
29SD1100
29SD1125

30"
30SD750
30SD775
30SD800
30SD825
30SD850
30SD875
30SD900
30SD925
30SD950
30SD975
30SD1000
30SD1025
30SD1050
30SD1075
30SD1100
30SD1125

1-1/8" GUNDRILLED TORSION BARS
.700 TO 1.050 Diameter
Diameter Length

.700
.725
.750
.775
.800
.825
.850
.875
.900
.925
.950
.975
1.000
1.025
1.050
29"
29GD700
29GD725
29GD750
29GD775
29GD800
29GD825
29GD850
29GD875
29GD900
29GD925
29GD950
29GD975
29GD1000
29GD1025
29GD1050

30"
30GD700
30GD725
30GD750
30GD775
30GD800
30GD825
30GD850
30GD875
30GD900
30GD925
30GD950
30GD975
30GD1000
30GD1025
30GD1050

SPRINT CAR TORSION BARS
1-1/8" TUBULAR
.875 TO 1.125 Diameter
Diameter Length

.875
.900
.925
.950
.975
1.000
1.025
1.050
1.065
1.075
1.100
1.125
29"
29HW875
29HW900
29HW925
29HW950
29HW975
29HW1000
29HW1025
29HW1050
29HW1065
29HW1075
29HW1100
29HW1125

30"
30HW875
30HW900
30HW925
30HW950
30HW975
30HW1000
30HW1025
30HW1050
30HW1065
30HW1075
30HW1100
30HW1125

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Torsion Bar Spring Rate Charts
available

HERE

Torsion Bar Facts
Hollow and Solid Torsion Bars
Schroeder Durability
Torsion bars provide the vital suspension link between the surface of a race track and a car's chassis. Torsion bars have as much to do with the car's response as do its tires, so their quality and consistency are essential to a good performing car. The quality of material, workmanship, heat treatment and finish all have an effect on the performance of the torsion bar. Schroeder uses only aircraft quality high alloy steel to achieve the finest bar possible, and machines their torsion bars with state of the art CNC equipment. Only Schroeder torsion bars are machined in one continuous pass from end to end in order to prevent irregularities. Then they are polished, heat treated to exact specifications, then polished again to assure no surface imperfections exist which could cause a stress point or crack to originate. The bars are then coated with a protective film and shipped in plastic screw-lock tubes for protection and easy identification.
There are significant differences between gundrilled, and solid torsion bars other than their weight. The hole in the center of gundrilled torsion bars creates two surfaces instead of one, allowing the bar to react differently than a solid bar to deflection. Gundrilled torsion bars have a faster spring rate than a solid torsion bar, which means they rebound, or spring back, quicker. The center diameter of a hollow torsion bar is adjusted to achieve the same spring rate as a solid bar. Therefore, no chassis adjustments need to be made when switching from solid to hollow bars. Schroeder gundrilled, and solid torsion bars all start the same way, as aircraft quality high alloy steel stock, and the gundrilled bars are drilled out using the same high performance equipment used to machine the barrels of fine rifles. Track conditions and chassis characteristics determine which type of bar is the best choice for your particular application. A frequently asked question from our torsion bar customers is, "How long should a torsion bar last?". The answer lies in how close to the material's yield point the bar is used. The closer the stress exerted on the bar is to the yield point of the material, the shorter the life of the bar. Consistently take a bar past its yield point and the life starts to go out of the bar. A high quality bar will not lose it's spring rate, it simply will not be as responsive as it is designed to be. An analogy would be to compare torsion bars to valve springs that test OK but the engine will not perform at its peak. All Schroeder torsion bars are manufactured of the finest materials and to the closest tolerances to insure unsurpassed durability and reliability under racing conditions.
Custom Torsion Bars
"Quick Star" Bars
Schroeder Champions
Schroeder Racing Products offers custom torsion bars machined to exact client specifications in order to function in any specific application. Quick Star bars have a larger hole which causes the bar to react even quicker than our standard gundrilled bar. They are also gundrilled to ensure a consistent performance. Quick Star bars are for use in specialized applications such as a smooth, dry-slick track. Schroeder Racing Products has provided the finest Steering and Suspension components for over 40 years to champions of many major racing events, including: The Belleville Midget Nationals, Turkey Night, Eldora 4 Crown, USAC Midget National Championships, Silver Crown Championships,The New Zealand National Midget Championship, The Mini-Sprint Nationals, The Daytona 500 and The Brickyard 400.
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