what size pulley is this???
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Senior Member
Joined: Aug 2011
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From: west michigan
04 E55
what size pulley is this???
measure's 7.25 inches in diameter, edge to edge. which equals 184.15mm. there are no stampings on it other than factory stamps on accessory pulley. 
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Joined: Jun 2008
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From: Texas
2003 CL55
First, do not measure from the outer ring, as the lip may be higher than the ribs the belt runs on. My guess is that is an ASP 178 to 180 mm and it looks like it was on a 4x4. 
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E63 Biturbo, UPD Cold Air induction kit, UPD performance crank pulley and UPD adjustable rear suspension with ride height adjustment.
CL55 UPD Cold Air Boost kit, UPD 3000 stall converter, UPD 77mm SC clutched pulley and beltwrap kit, Custom long tubes, UPD crank pulley , UPD suspension kit, UPD SC pulley, Aux. HE, Trunk tank w/rule 2000 pump, Mezeire pump, UPD 5pc idler set, Aluminum rotor hats.
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E63 Biturbo, UPD Cold Air induction kit, UPD performance crank pulley and UPD adjustable rear suspension with ride height adjustment.
CL55 UPD Cold Air Boost kit, UPD 3000 stall converter, UPD 77mm SC clutched pulley and beltwrap kit, Custom long tubes, UPD crank pulley , UPD suspension kit, UPD SC pulley, Aux. HE, Trunk tank w/rule 2000 pump, Mezeire pump, UPD 5pc idler set, Aluminum rotor hats.
www.ultimatepd.com
instagram @ultimate_pd
facebook.com/ultimatepd
Thread Starter
Senior Member
Joined: Aug 2011
Posts: 450
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From: west michigan
04 E55
thanks guys i ended up using a string to get the circumference then divided by pie. came to 178.2 so theres my answer. damn never thought id need to use pie after high school! lol
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mgLipGD
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2005 E55, 2011 Honda Push Mower (21 inch deck bishes)
I believe that's a 178mm boat anchor. I wouldn't put that thing on a lawnmower.
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