BIG BLOCK FORD
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521 Blue Thunder head

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521 Blue Thunder head  Empty 521 Blue Thunder head

Post  BigDave65 October 9th 2021, 11:33 am

Posting for a friend. THIS IS NOT MY ENGINE! This is a 521 with aluminum Blue Thunder heads with Chevy exhaust ports. Stock block with screw-in freeze plugs, billet caps, roller cam bearings, bronze lifter bushings on right side to restrict oil. Block is O-ringed with no sleeves. Has Crower roller lifters with bushing instead of bearing. Roller camshaft. Eagle 4.250 forged crank, Eagle rods, Diamond pistons, 15:1 compression. Heads have new valves and springs. Crane stud rockers with girdles, new pushrods. New timing chain. Has ATI dampner, 10qt. steel pan. Comes with 1050 Dominator carb. No water pump
Engine has been 5.50@125 with 1.19 60 ft. in a 2900 lb. car. Has approx. 25 passes since freshen up. All work done by PAR Racing Engines. Over 8k spent on freshen up.
$12,500 Firm! Contact Danny @ 864-612-9220 for more info. Engine is located in Cowpens, SC.
BigDave65
BigDave65

Posts : 562
Join date : 2009-08-12
Age : 56
Location : Cliffside, NC

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