Flanges

1 -UNIVERSAL -FLAT OVAL ( Slotted bolt holes )
2 -UNIVERSAL FORMED OVAL ( Slotted bolt holes )
3 - OVAL FLAT  - ROUND BOLT HOLES
4 - OVAL FORMED - ROUND BOLT HOLES
5 -TRIANGULAR - FLAT
6 -TRIANGULAR - FORMED
7 -SQUARE FLAT
8 -DOUBLE CENTER HOLE
  1 - UNIVERSAL - FLAT OVAL ( Slotted bolt holes )
Centre C/L Bolt holes Slots-inner/outer Slot
Part # Diameter  (mid point ) Distance Width
FX105 1-9/16" 2-5/16" 1-15/16"-2-3/4" 23/64"
FX02 1-5/8" 3-1/4" 2-1/2"-4" 1/2"
FX02 (3/8) 1-5/8" 3-1/4" 2-1/2"-4" 1/2"
FX03 1-3/4" 3-1/4" 2-1/2"-4" 1/2"
FX03 (3/8) 1-3/4" 3-1/4" 2-1/2"-4" 1/2"
FX4023 1-3/4" 3" 2-7/16"-3-9/16" 3/8"
FX4023 (3/8) 1-3/4" 3" 2-7/16"-3-9/16" 3/8"
FX4026 1-3/4" 3-1/2" 2-9/16"-4-7/16" 1/2"
FX04 1-7/8" 3-1/4" 2-1/2"-4" 1/2"
FX04 (3/8) 1-7/8" 3-7/8" 3"-4-7/8" 9/16"
FX4029 1-7/8" 2-3/4" 2-1/4"-3-5/16" 7/16"
FX4039 1-7/8" 3-1/2" 5-5/8"-4-7/16" 9/16"
FX16 1-7/8" 3-1/8" 2-3/8"-3-7/8" 1/2"
FX16 (3/8) 1-7/8" 3-1/8" 2-3/8"-3-7/8" 1/2"
FX4020 1-55-64" 3-1/2" 2.75"-3.25" 1-2"
FX4020 (3/8) 1-55-64" 3-1/2" 2.75"-3.25" 1-2"
FX235 2" 3-1/2" 2-5/8"-4-7/16" 9/16"
FX05 2" 3-7/8" 3"-4-3/4" 1/2"
FX05 (3/8) 2" 3-7/8" 3"-4-3/4" 1/2"
FX15 2" 3-3/4" 3"-4-1/2" 7/16"
FX15 (3/8) 2" 3-3/4" 3"-4-1/2" 7/16"
FX4021 2" 3-3/4" 3"-4-1/2" 1/2"
FX4022 2" 3-1/4" 2-1/2"-4" 1/2"
FX4027 2-1/8" 3-1/2" 2-5/8"-4-7/16" 9/16"
FX06 2-1/8" 4-11/32" 3-3/16"-5" 7/16"
FX4041 2-1/4" 3-7/8" 3"-4-13/16" 9/16"
FX07 2-1/4" 3-7/8" 3"-4-13/16" 9/16"
FX07-3(3/8") 2-1/4" 3-3/4" 3"-4-1/2" 7/16"
FX3992 2-3/8" 3-7/8" 3"-4-13/16" 1/2"
FX08 2-3/8" 3-7/8" 3"-4-13/16" 1/2"
FX08 (3/8) 2-3/8" 3-7/8" 3"-4-13/16" 1/2"
FX4032 2-1/2" 3-7/8" 2-15/16"-4-13/16" 9/16"
FX4034 2-9/16" 3-7/8" 2-15/16"-4-13/16" 9/16"
FX10 2-9/16" 3-7/8" 2-15/16"-4-13/16" 9/16"
FX10 (3/8) 2-5/8" 4-1/8" 3-3/16"-5" 7/16"
FX11
  2 - UNIVERSAL -FORMED OVAL ( Slotted bolt holes )
Centre C/L Bolt holes Slot-inner/outer Slot
Part # Diameter  (mid point ) Distance Width
FX31 2" 3-1/4" 2-5/8"-3-15/16" 7/16"
FX32 2-3/16" 3-11/16" 2-7/8"-4-3/8" 1/2"
FX32UE
FX33 2-7/16" 3-3/4" 3-1/8"-4-3/8" 1/2"
FX34 2-5/8" 3-3/4" 3-1/8"-4-3/8" 1/2"
FX82 2-1/16" 3-13/16" 9/16"-5/8"
FX1197 2-1/8" 3-7/8" 3"-4-3/4" 1/2"
FX1485 3" 4-1/16" 33/64"x39/64"
 3 - OVAL FLAT - ROUND BOLT HOLES
Centre Centerline Bolt Hole
Part # Diameter Bolt Holes Diameter
FX2090 39/64" 1-1/2" 21/64" 19/64" thick
FX2091L 29/32" 1-3/4" 21/64" 1/4" thick
FX4042 1-11/16" 3-13/16" 1/2"
FX111 1-3/4" 3-3/8" 3/8"
FX246 1-3/4" 3-3/8" 8mm threaded
FX3998 1-3/4" 3-3/4" 13/16"
FX4007 1-3/4" 3-1/4" 7/16"
FX4011 1-3/4" 3" 1/2" Subaru
FX236 1-25/32" 3" 1/2" w/chamfer
FX106 1-7/8" 3-1/4" 1/2"
FX4006 1-7/8" 3-11/16" 1/2"
FX1136 1-55/64" 3-1/2" 33/64""
FX3340 1-15/16" 3-1/2" 1/2"
FX107 2" 3-1/4" 1/2"
FX108 2" 3-1/2" 3/8"
FX112 2" 3-5/8" 3/8"
FX248 2" 3-3/8" 8mm threaded
FX3997 2" 3-3/4" 13/16"
FX4012 2" 3-13/16" 1/2"
FX4019 2" 4-11/32" 1/2" Mazda
FX4025 2" 3-1/2" 1/2"
FX4028 2" 4" 3/4"
FX4038 2" 3" 1/2"
FX4045 2" 3-1/2" 1/2"
FX4100 2-3/64" 4-1/4" 27-64"
FX129 2-1/8" 3" 1/2"
FX3995 2-1/8" 3-1/2" 3/8"
FX4010 2-1/8" 4-11/32" 1/2" Mazda
FX4033 2-5/32" 3-5/8" 1/2'
FX109 2-1/4" 3-1/2" 1/2"
FX4015 2-1/4" 3-1/2" 3/8"+
FX4018 2-1/4" 4-1/4" 13/32" Aerostar
FX4048 2-1/4" 4-1/4" 13/32"
FX3999 2-5/16" 3-5/8" 3/8"
FX4584 2-1/2" 4-1/8" 1/2"
FX12 2-5/8" 4-13/16" 7/16"
FX17 3" 5-5/32" 1/2"
FX4951 3" 4-1/8" 1/2" Ford Truck
  4 - OVAL FORMED -  ROUND BOLT HOLES
Centre Centerline Bolt Hole
Part # Diameter Bolt Holes Diameter
FX30 1-2/3" 3-5/8" 7/16" Discontinue
FX46 1-3/4" 3-3/8" 5/8" Honda
FX28 2" 4" 3/4" Ford truck
FX115 2" 3-5/8" 11/16" Honda
FX4036 2" 3-5/8" 11/16" Honda SS
FX1389 2-3/32" 3-25" 1/2" Ford
FX4043 2-5/16" 3-3/4" 1/2"
FX48 2-3/8" 3-15/16" 11/16" Ford truck
FX48A
FX1524SS 2-3/8" 4" 41/64" Honda
FX29 2-9/16" 3-15/16" 11/16" Ford
FX45 2-5/8" 4-3/4" 7/16" GM truck
FX1198 2-11/16" 4" 1/2" Ford truck
FX247 2-13/16" 3-1/2" 3/4" GM 4&6 cyl
FX4064 2-51/64" 5" 9/16" w/ring
FX27 3" 5-1/8" 1/2" GM truck
FX34-3 3" 4-3/16" 1/2" GM
FX4008 3-1/16" 4-3/8" 1/2"
FX4065 3-1/32" 5" 2-M10-1.5x43  SS w/studs
  5 -TRIANGULAR -  FLAT
Centre Centerline Bolt Hole
Part # Diameter Bolt Holes Diameter
FX157 1-5/8" 2-1/2" / 3-1/4" 15/32" house/groove
FX4005 1-3/4" 3-3/32" 13/16"x1/2" Slotted
FX152 1-7/8" 2-31/32" 7/16" Round holes
FX153 1-7/8" 2-31/32" 7/16" Grooved
FX158 1-7/8" 3-1/8" 7/16" Round holes
FX163 1-7/8" 2-5/8" 3/8" Round holes
FX3994 1-13/16" 2-15/16" 17/32" Round holes
FX4003 1-15/16" 2-13/32 / 2-9/16" 17-32" "House"
FX4016 1-15/16" 2-1/2" 13/32" Round holes
FX51 2" 2-3/4" 5/8"x1/2" Slotted
FX150 2" 2-15/16" 17/32" Round holes
FX151 2" 2-1/2" / 3-1/4" 1/2" "House"
FX155 2" 2-3/4" / 3-3/16" 1/2" house/groove
FX156 2" 3-1/8" 3/8" Round holes
FX3996 2" 2-21/32 / 2-11/16 13/32" "House"
FX4009 2" 3-1/8" 1/2" Round holes
FX4044 2" 3-13/32" 7/16" Round holes
FX4037 2-1/32" 3-3/32" 13/16"x1/2" Slotted
FX3990 2.1/8" 3-13/32" 7/16" Grooved
FX3991 2-1/8" 2-11/16" 1/2"x5/8" Slotted
FX4004 2-1/8" 3-13/32" 1/2" Round holes
FX4035 2-1/8" 3-13/32" 7/16'+ Round holes
FX52 2-1/4" 2-3/4" 5/8'x1/2" Slotted
FX4024 2-1/4" 2-13/16" 15/32" Round holes
FX4031 2-1/4" 3-1/8" 15/32" Round holes
FX53 2-3/16" 2-11/16" 7/16" Round holes
FX53 (3/8) 2-3/16" 2-11/16" 7/16" Round holes
FX4049 2-5/16" 2-15/16" 1/2" Round holes
FX54 2-3/8" 3-1/32" 1/2" Round holes
FX4014 2-1/2" 3-1/16" 1/2" Round holes
FX4040 2-1/2" 3-13/32" 7/16" Round holes
FX4050 2-1/2" 2-31/32" 7/16" Round holes
FX4070L 2-1/2" 3.78" 7/16" Round holes
FX4072L 2-1/2" 3" / 3-7/8" 15/32 "House"
FX55 2-5/8" 3-1/32" 1/2" Round holes
FX55 Cap n/a 3-1/32" 1/2" No Center
FX164 2-5/8" 3-1/4" 7/16" Round holes
FX4001 2-3/4" 4-7/16" 7/16" Round holes
FX4060 2-15/16" 2-15/16" 1/2" Round holes
FX69 2-25/32" 4-3/8" 5/8"x1/2" Slotted
FX119 2-25/32" 7/16" 7/16" Round holes
FX55H 3-1/16" 3-3/8" 13/32" Header
FX55H Cap n/a 3-3/8" 13/32" No Center
FX55H-3 3-1/16" 3-3/8" 13/32" 3/8" thick
FX55HZ 3-1/16" 3-3/8" 13-32" w/Zinc
FX56H 3-1/2" 3-7/8" 13/32" Header
FX56H-3 3-1/2" 3-7/8" 13/32" 3/8" thick
FX56HD 3-1/2" 3" 13/32" 3/8" thick
  6 -TRIANGULAR - FORMED
Centre Bolt Hole Bolt Hole
Part # Diameter Distance Diameter
FX1218 1-3/4" 2-5/8" 13/32" VW
FX50 2-1/8" 2-11/16" 13/32" GM
FX57 2-11/16" 3-1/8" 17/32" GM
FX60 2-1/4" mixed 27/64" GMConverter
FX60WT 2-1/4" mixed 3/8"-16 Tapped GMConverter
FX61 2-13/32" mixed 27/64" GMConverter
FX62 2-1/2" mixed 27/64" GMConverter
FX62WT 2-1/2" mixed 3/8"-16 Tapped GMConverter
FX63 2-3/4" mixed 27/64" GMConverter
FX63WT 2-3/4" mixed 3/8"-16 Tapped GMConverter
    7 -SQUARE - FLAT
Centre Bolt Hole Bolt Hole
Part # Diameter Distance Diameter
FX40 1-3/4"+ 2-13/16"x2-15/16" 13/32" GM
FX41 2"+ 2-13/16"x2-15/16" 13/32" GM
FX42 2-1/4" 2-13/16"x2-15/16" 13/32" GM
FX43 2-1/2" 2-13/16"x2-15/16" 13/32" GM
FX44-2 2" 3-3/16"x2-9/16" 7/16" GM
FX44-2 GR 2" 3-3/16"x2-9/16" 7/16" GM
FX166 2" irregular Cav/Sunfire
FX44-2-1/8 2-1/8" 3-3/16"x2-9/16" 7/16" GM
FX44-2-1/4 2-1/4" 3-3/16"x2-9/16" 7/16" GM
FX44-2-1/4 GR 2-1/4" 3-3/16"x2-9/16" 7/16" GM
FX44-2-1/2 2-1/2" 3-3/16"x2-9/16" 7/16" GM
FX44-2-5/8 2-9/32" 3-3/16"x2-9/16" 7/16" GM
FX64 3-5/8x2-9/16 4-11/16x2-11/16" 17/32" Grand National
FX64Cap n/a 4-11/16x2-11/16" 17/32" No Center
FX65 2-1/2"+ 2-31/32x2-31/32" 7/16" GM
FX84 2" 2-11/16x2-1/8" 7/16"
FL4075L 21-02-1932 irregular Caravan
FX4030 5-5/8x2-9/32  4-9/16x4-7/32" 1/2" Ford Truck
FX4046 2-19/32" 2-13/16"x2-15/16" 13/32"
FX4047 5-5/8x2-9/32  4-9/16x4-7/32" 13/32" Ford Truck
     8 -DOUBLE CENTER HOLE
Centre Center Hole Bolt Hole
Part # Diameters Distance Diameter
FX4002 1-25/32" 2-1/4" Nissan
FX4603 1-3/4"+ 2-15/32" Honda