Model Year vs. Application Chart

Size

Description

Applications

21 3/4" Long

Short Torsion Bar

60-68 T-1 Swing Axle

24 11/16" Long

Intermediate Torsion Bar

49-59 T-1 Swing Axle

24 11/16" Long

Intermediate Torsion Bar

69-72 T-1 IRS

24 11/16" Long

Intermediate Torsion Bar

65-67 T-3 Swing Axle

26 9/16" Long

Long Torsion Bar

73-on T-1 IRS

Suggested Torsion Bar IRS

Suggested T/B Swing Axle

21 3/4"
(short)

24 11/16"
(interm.)

26 9/16"
(long)

21 3/4"
(short)

24 11/16"
(interm.)

26 9/16"
(long)

Single Seat

27

27

28

27

28

28/29

Two Seat

27

28

29

27/28

28

29

Mid-Engine Single Seat

29

N/A

N/A

29

N/A

N/A

Baja Bug

27/28

28/29

29/30

27/28

28/29

29/30

Class II

28

29

30

28

29

30

Street Baja Bug

26/27

28

29

26/27

28

29

Class 5 & 5-1600

28

29

30

28/29

29

30

Two Seat Play Buggy

26/28

28

29

27/28

28

29

Four Seat Play Buggy

27/28

28/29

29/30

28

28/29

29/30

Torsion Bar Spring Rate Chart

Diameters

21 3/4" (short)

24 11/16" (interm.)

26 9/16" (long)

*22mm

588

497

464

*23mm

702

593

554

25mm

979

828

773

26mm

1145

968

904

27mm

1333

1126

1052

28mm

1541

1303

1217

29mm

1774

1499

1400

30mm

2031

1716

1603

*For reference only. These are stock Volkswagen Sizes.