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 | |