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HD Engine Coupler for 89' B1?

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Old 12-15-2005, 11:04 PM
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Default HD Engine Coupler for 89' B1?
Does anyone have a merc p/n for this application?
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Old 12-16-2005, 05:43 AM
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Default Re: HD Engine Coupler for 89' B1?
check on this part # 18311 a 17 coupling which is suitable for 502 mag mpi bravo 1 engines ....hope this helps ....cheers al.
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Old 12-16-2005, 11:00 AM
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Default Re: HD Engine Coupler for 89' B1?
It looks like this is the new number to merc's p/n 861523 A9 coupler. So is this Steel or aluminum?
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Old 12-16-2005, 11:52 AM
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Default Re: HD Engine Coupler for 89' B1?
engine coupler with steel hub #861523a11 a9 is alum.
Last edited by racinfever; 12-16-2005 at 11:58 AM.
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Old 12-16-2005, 12:15 PM
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Default Re: HD Engine Coupler for 89' B1?
i have them in stock for a very good price if you need one,chris
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Old 12-28-2005, 10:21 PM
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Default Re: HD Engine Coupler for 89' B1?
Chris,
I need 2 H/P couplers for some 540's currently being built is this the Number?

Thank You Emmett
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Old 12-29-2005, 12:29 PM
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Default Re: HD Engine Coupler for 89' B1?
How Much torque and horsepower can one of these take ? Also beware of used ones on ebay with badly worn splines. If buying a used one have them clean splines and take good picture. Splines should be square looking at their top instead of triangle and pointy. If in doubt, walk away...BBB
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Old 12-29-2005, 04:06 PM
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Default Re: HD Engine Coupler for 89' B1?
Originally Posted by NotBoyToyz
Chris,
I need 2 H/P couplers for some 540's currently being built is this the Number?

Thank You Emmett
New in the box 450.00 each with steel hub 513 561-4849
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Old 12-29-2005, 04:42 PM
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Question Re: HD Engine Coupler for 89' B1?
Does anybody re-hub these ? I've been throwing too many away, maybe there is a cost effective fix > BBB
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Old 12-29-2005, 04:47 PM
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Default Re: HD Engine Coupler for 89' B1?
A11 coupler with steel hub will handle lots of HP for a long while !
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