500 EFI (470-hp)
Mercury Racing sterndrives continue to lead the marine industry with precision craftsmanship combined with state-of-the-art technology, durability and reliability. The 500 EFI is the introduction to the big block racing machines for MerCruiser. It's used in APBA offshore racing as well as consumer boats.

Fast Facts

Propshaft HP	470-hp
Configuration	V-8
Displacement	8.2/ 502
Bore & Stroke	114 x 102
Fuel System	MPI
Base Engine Weight	1113 lbs.
Length/Width/Height	39 x 34 x 22
Max RPM@WOT	5200
Warranty	1-year

Key Features

• Precision CNC machined 502 C.I.D. cast iron cylinder block.
• Forged 4340 steel, fully machined and shot-peened Mercury Racing connecting rods.
• MEFI 3 ignition system precisely controls both idle speed and detonation.
• Multiport fuel injection system incorporates a high-flow throttle body and tuned intake manifold developed exclusively by Mercury Racing.
• The oil thermostat and a Positive Crankcase Ventilation (PCV) valve work together to reduce the buildup of condensation in the oil. The PCV valve also improves engine idle.
• A hydraulic roller camshaft, which improves low-end torque, offers higher level of performance and aids fuel economy.
• Standard with 1.36:1 or 1.50:1 gear ratio Bravo One XZ drive in either right-hand or left-hand rotation.
• Bravo One XR, Bravo One XR Sport Master, Bravo One Short Sport Master and Dry-Sump Six drive options available.
• Dual-water pickup and low-water pickup gearcase housings for Bravo One XZ and Bravo One XR drives.