New complete custom HD marine engines. 509 cu 700+ ft lbs. trougque. Built by Jeff Chelepis at Hypercision. Dyno tested and tuned. Dyno time only. Bore 4530 Stroke 4100 Lochwire Head Gaskets Heavy Duty Marine Block and Heads High Nickel- Siamese Hard Scats - Invonnel valves 9 qt marine oil pans high volume Welco oil pumps Callies forged steel rods w/APR bolts Crane hydraulic roller custom cams for blowers Crane HD roller kits and rods, Crane valve springs, retainers and locks. Crane roller rocker arms and roller timing chains. Wiseco forged supercharger custom pistons. Precision Prod HD supercharger wrist pins HD tool steel piston rings. Weiland high efficiency superchargers. Holly custom calibrated supercharger carburetors. MSD marine ignition systems. Runs on 93 octane pump gas. Price for both engines!

Please email for pictures and more information.

Located in Northwest Chicago land area.

$20,000 for pair O.B.O.
Make Offer!!

Just a tip, spell check and clarification will probably get more people seriously interested

Send me PM. Thanks