Dimensions :
Interior diameter : 37mm 
Exterior diameter : 93mm 
Thickness : 13mm 
Length of wires stator to grommet : 85mm 
Length of wires grommet to plug : 335mm & 350mm 
Length of pickup coil's wire to grommet : 185mm 

Other specifications :
Number of wires : 5 
Number of plugs : 2 
Number of pins : 5 

Wire to wire resistance :
Alternator : White between each White = 0.4ohms +/-20%
Pickup : White to Pink = 280ohms +/-20%