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Basic Dimensions for SAE Housings and Flywheels

Basic Dimensions for SAE Housings

SAE
Hsg
No
Pilot Diameter O.D. Bolt
Circle
(See Note
Below)
Flywheel Housing
Bolts & Bolt Holes
"E"
"A" "B" "C" "D" Qty Hole
Diameter
Bolt
Size
"00" 31.000 * 33.50 * 16 * 1/2
"0" 25.500 * 26.75 * 16 * 1/2
"1/2" 23.000 * 24.38 * 12 * 1/2
"1" 20.125 21.75 20.875 3.49 12 .484 7/16
"2" 17.625 19.25 18.375 3.94 12 .433 3/8
"3" 16.125 17.75 16.875 3.94 12 .433 3/8
"4" 14.250 15.88 15.000 * 12 .433 3/8
"5" 12.375 14.00 13.125 * 8 .433 3/8
"6" 10.500 12.12 11.250 2.81 8 .433 3/8
All dimensions are in inches unless otherwise specified.

* 3.94 for 8" clutch; 2.81 for 6" and 7" clutch.

"D" = Depth of pilot bore from housing face to shoulder on flywheel or to chrankshaft flange face.

 

 


Basic Dimensions for SAE Flywheels

Clutch
Size
Drive
Ring Pilot
Bolt
Circle
Housing
Face to
Flywheel
Pilot Bearing Bore Bolt Hole "K"
"F" "G" "H" "J" Qty Size
6.5" 8.500 7.875 1.19 2.0472 (52mm) 6 5/16
7.5" 9.500 8.750 1.19 2.0472 (52mm) 6 5/16
8" 10.375 9.625 2.44 2.4409 (62mm) 6 3/8
10" 12.375 11.625 2.12 2.8346 (72mm) 8 3/8
11.5" 13.875 13.125 1.56 2.8346 72(mm) 8 3/8
14" 18.375 17.25 1.00 * 8 1/2
18" 22.500 21.38 .62 * 6 5/8
21" 26.500 25.25 0 * 12 5/8

 

 

 

 

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