Rear End Measurement Page


>Dimensions shown on the chart are for 60" hub face to hub face rear ends. This applies to all the different types listed.
>"G" & "H" dimensions shown are for Speedway Engineering hubs and are for reference only. When ordering a "W5" type rear end, using other than Speedway Engineering hubs, you must specify the hub brand and type or the "H" dimension. Rear end drawings are only to be considered representative of the assemblies listed
>Hub abbreviations on chart are : "GN" is Grand National, "SS" is Super Speedway, W5 is Wide 5, "MS" is Mini Stock.
>Axle length shown here are actual end to end and do not include adjuster bolts or plugs.

Quick Change Rear Ends

Hub

A

B

C

D

E

F

G

H

I

Left Axle

Right Axle

Stock car quick change

GN

60

21.5

25

8.5

3.75

5

3.12

 

10.75

30.5

30.5

Stock car quick change

W5

60

21.5

25

8.5

3.75

5

 

3.12

10.75

33.62

33.62

Stock car quick change

SS

60

20.25

23.75

8.5

3.75

5

4.37

 

10.75

30.5

30.5

Super Max quick change

GN

60

21.62

25

6.87

4.5

3.87

3.12

 

10.5

28.5

32.5

Super Max quick change

W5

60

21.62

25

6.87

4.5

3.87

 

3.12

10.5

31.62

35.62

Mini stock quick change

MS

60

22.18

25.06

6.75

3.75

3.87

3.12

 

9.5

28.75

32.75

Mini stock quick change

W5

60

22.12

25

6.75

3.75

3.87

 

3.12

9.5

31.87

35.5


Floater Housings

Hub

A

C

G

 H

J

K

Left Axle

Right Axle

GN 9” floater

GN

60

26.87

3.12

 

18.5

20.5

28.12

32.37

W5 9” ford floater

W5

60

26.87

 

3.12

18.5

20.5

31.25

35.5

SS 9” ford floater

SS

60

25.62

4.37

 

17.25

19.25

28.12

32.37

Mini stock 8” ford floater

MS

60

26.93

3.12

 

17.18

19.68

28.12

32.37

Mini stock 8 ¾” Mopar floater

MS

60

26.93

3.12

 

16.25

18.62

29.12

31.43

Mini stock 9” ford floater

MS

60

26.93

3.12

 

17.31

19.31

28.12

32.37

 
Quick Change - Stock Car IRS
 
Quick Change - Mini Stock IRS
 
For more information about these or any other Speedway Engineering parts
please call our tech line at 1-800 993 8880 7:00am-5: 30pm PST Monday-Friday.