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Our Listings : 500 EFI - Don't trade in your boat!... Trade in your ENGINE!!

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Date Added: 10/21/2022
Last Updated: 10/28/2022
EXCHANGE/UPGRADE YOUR 500EFI TO A 540 WITH RPM & 665FT/ RPM. TRUE MARINE UPGRADE: BLOCK - Bored to 4.500" * Deck Plate Honed CRANK - SCAT 4340 Steel 4.250" Stroke * SCAT 4340 Steel 6.385" I-Beam Rods * ARP 7/16" bolt caps * SRP/JEP Forged Aluminum Pistons with 9.2:1 compression * Moly 1/16" x 1/16" x 3/16" Rings CAM - Custom ATECO Ground Hydraulic Roller VTRAIN - Hydraulic Roller Lifters * Trend Performance Chromoly 1PC .080" Wall Pushrods * High Endurance Valve Springs * Scorpion 1.7 Ratio Full Roller Aluminum Rocker Arms HEADS - Reconditioned ATECO/GM Heads w/ 2.250" SS Intake * 1.880" Inconel Exhaust Valves * 119CC Chambers ALSO INCLUDED: Melling Hi-Volume Oil Pump w/ Tig Welded HD Pickup || Pro-Gear Roller Timing Set || Clevite CL-7 "H" Series Rod/Main/Cam Bearings || Fel-Pro Head Gaskets || New Head Bolts || Complete Balanced Assembly || DYNO Sheet provided with every build *NOTE*All accessories off of your 500 will be re-installed on your new 540 engine. Any additional Mercury Marine parts needed/wanted are not reflected in the listed price and will be an extra charge. ASK ABOUT OUR OPTIONAL POWER PACKAGE THAT GIVES 635HP & 695FT/LBs TORQUE! AVAILABLE FOR AN ADDITIONAL $800: - ISKY CUSTOM GROUND HYDRAULIC ROLLER CAM - ISKY/JOHNSON ROLLER LIFTERS - ISKY HYDRAULIC ROLLER SPECIAL PROCESSING HIGH ENDURANCE VALVE SPRINGS - SCAT H-BEAM RODS - PRO-GEAR TIMING SET
Ad Number: 82366
Price: 14995 +Crate & Shipping
First Name: Bill
Last Name: Lawson
Company Name: ATECO Engine & Dyno Shop
Company Website:
Phone: 847 623-2737
Phone 2:
City: Ingleside
State: IL
Zip: 60041
Make: Mercury
Model: 500 EFI
E-mail: Reply to Ad

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