Originally a \'57 Imperial engine but nothing is left from the original engine except the block,crankshaft,heads and water crossover.Everything else replaced by aftermarket performance and/or OEM parts.Block and heads blueprinted.Cylinders indexed and bored + .060(392+.060= 404.54 cid).Block decked .010.Converted to 4 bolt mains-steel caps.Studs installed for heads and Mains.Crankshaft .010-.010.Rotating assembly balanced to within 1/10th gram@150 rpm.Ross forged,custom machined,pin fitted,domed 10.5-1 racing pistons.Iron,file fit compression rings.Rods and pistons weight matched to within +- 1/250th gram.K-1 Technologies H-beam steel connecting rods.Heads ported and polished.Crower custom grind competition solid lifter cam.(cam card is with build receipts,specs available on request).HEI distributor.340 high volume oil pump.Milodon gear drive.Melling solid lifters,pushrods and double competition valve springs.Adjustable rockers.Stainless steel valves,both intake and exhaust-3 angle grind.Dimpled \"Chrysler FirePower\" valve covers.(.250\" spacers and extra gaskets were required for rocker to valve cover clearance due to high lift on the rockers.) Stainless headers.Chrome oil pan with added windage tray. Will not ship.Pick up only. Please,serious inquiries only.

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