| Steering Universal Joints - Pin & Block
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Steel Pin and Block Universal Joint
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The preferred choice of drag racers for the sleek and lightweight designed steering systems. These Pin and block universal joints are available in both 1-1/4" outside diameter and the smaller 1" outside diameter designs.
Note: Racing design only NOT recommended for street use Frequent lubrication is required
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| Part No. 1 1/4" O.D.
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Part No. 1" O.D.
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Description
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| FR1901
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FR1821
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3/4 X 9/16-26
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| FR1904
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FR1822
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3/4 X 5/8-36
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Couplers
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| Couplers are available for direct steering connections where an angle is not required. Couplers can also be used to extend the steering shaft. Overall length is 2"
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Mil-Specification Universal Joints
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| These universal joints are manufactured to military specifications for aircraft and have become the select choice of drag racers due to the lightweight design. Lubricant-filled silicone boot provides maintenance-free operation for extended universal joint life. This boot is designed for high temperature environments with a continuous rating of 650° Fahrenheit.
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| Part No.
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FR1800B8
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FR1800B10
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FR1800B12
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FR1800B14
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| Nominal Size (IN.) O.D.
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1/2
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5/8
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3/4
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7/8
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| O.D. "A" +.000 -.002
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.495
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.620
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.745
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.870
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| I.D. "G" +.004 -.001
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.375
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.500
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.625
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.750
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| O.D. "A" +.000 -.002
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.495
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.620
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.745
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.870
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| MaxDia. "J" _+1/64
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29/32
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1-3/32
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1-1/32
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1-1/2
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| Length "B" _+1/64
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2-5/16
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2-3/4
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3-3/16
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3-5/8
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| "C" Min.
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5/8
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3/4
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7/87/8
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1
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| "D" Min.
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11/16
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13/16
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15/16
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1-1/16
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| "H" _+1/64
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9/16
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11/16
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13/16
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15/16
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| Wt. (Lbs.)
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.079
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.133
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.212
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.314
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| Min. Ult Static Torque (In. Lbs.)
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675
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1,200
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2,100
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3,500
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| Axial Tension &Comp. (Lbs.)
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1,000
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1,500
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2,000
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3,500
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| Tensional Play Max Degrees
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0.62
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0.50
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0.42
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0.36
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| Endurance Torque Test* Torque (In. Lbs.)
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90
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162
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285
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450
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