4" Poly Flex Disc Couplings
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Heavy duty for commercial application
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Fits Borg Warner, Hurth, Newage and Twin Disc marine transmissions
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Fits 4" Flange diameter
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5" Disc diameter
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3-1/4" bolt circle
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2-1/2" male pilot ring
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4 x 3/8" bolts
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1" thick
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Cross reference: Drive Saver 404A
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Part number P434 95 Blue