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Our Listings : Mercury 509ci, 500 HP Blue Tops

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Date Added: 05/16/2022
Last Updated: 05/16/2022
• Mercury 509ci, 500 HP Blue Top, matched pair, rebuilt and dyno tested. • 502, 1-piece seal blocks. One new, one used/machined. • GM std/std steel nitrided crankshafts. • New Scat Pro stock I beam rods 6.135. • New Mahle Pistons & rings. • New Cam Motion Billet roller camshafts, LS firing order. • New Cloyes true roller timing set. • New Clevite H series bearings. • New Champ Baffled oil pan 8qt. • New Crane Gold roller rockers. • New .080 hardened pushrods. • 088 GM ported and gas flowed heads with new Manley valves, new Comp Cams springs. • New ARP head studs. • ARP stainless fasteners. • New MSD marine grade distributor. • New BMP single plane intake manifold with brass inserts. • New custom-built Nickerson sage IV, 850 holey carburettors. • New Hardin Stainless water pump with fuel pump mount for Gen V block. • New ATi super-damper. • Original flywheel cleaned and painted. • 580 hp/ 590 tq with 91 octane. • Average tq 3600-5800 575 ft lbs. • Average hp 3600-5800 515hp. • 10.0-1 compression. • New Stainless Marine cast aluminium exhaust collectors and stainless-steel tail pipes. • Location – Minnesota. • email -
Ad Number: 81555
Price: $30000 the pair plus shipping won’t split.
First Name: Christian
Last Name: Toll
Company Name:
Company Website:
Phone: +447780997909
Phone 2:
City: Shakopee
State: MN
E-mail: Reply to Ad

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