Mercury Racing Releases Next Generation SB4 7.0L V8 Crate Engines

New from Mercury Racing – the new generation of SB4 7.0L V8 crate engines. These engines are ready to go plug and play solutions that offer up to 750 horsepower. See more details below.

Official Release:

Crate engine conversions are a popular way to upgrade a vehicle with a turnkey solution to provide power, reliability and durability. The new generation of SB4, 7.0L V8 crate engines from Mercury Racing are plug ’n play solutions for custom car builds. As part of its performance catalog, SpeedKore™ Performance Group is the exclusive distributor for the Mercury Racing SB4 7.0 crate engine.

Although better known for its marine applications, Mercury Racing also has a history of racetrack success. It began in 1955 when Mercury Marine founder, Carl Kiekhaefer, entered NASCAR and won 60% of the races his teams entered and swept two national championships.

Mercury’s engine building expertise was recognized again in 1990 when General Motors collaborated with Mercury Marine to produce an all-aluminum 5.7-liter LT5 engine for the Chevrolet Corvette ZR-1. The LT5-powered ZR-1 went on to break a 50 year-old FIA endurance record by averaging 175.9mph over 24 hours. It became an instant success with driving enthusiasts who loved the LT5’s flexibility, outright power and race-proven reliability.

This renowned engine-building prowess has been advanced with the Mercury Racing SB4 7.0 crate engine, available exclusively from SpeedKore. Designed, developed and manufactured by Mercury, the naturally aspirated, 7.0-liter V8 features Mercury Racing’s exclusive aluminum four-valve cylinder heads, built by Edelbrock with a dual overhead camshaft valvetrain. These are integrated with a General Motors LS engine block and assembled with Callies Dragonslayer crankshaft, Carrillo connecting rods and Mahle pistons. In this specification, the engine is capable of producing 750hp* at 7500rpm on pump fuel.

Features:

  • Mercury Racing SB4 7.0 engine available exclusively through SpeedKore Performance Group
  • SB4 name is derived from “Small Block, 4-valve”
  • SB4 develops 750hp* at 7500rpm on pump gas
  • Engine is limited to 8000rpm
  • 4.125” bore, 4.0” stroke, 7.0-liter (428ci) capacity
  • 11.7.1 compression ratio
  • Engine control via Mercury Racing PCM for sequential fuel injection system

Article Sources

About the author

Chris McWilliams

Chris McWilliams grew up watching his dad race go-karts around his Southern Indiana home and started racing junior dragsters when he was 10 years old. Chris drove a UMP Mini Stock for two seasons until he totaled his racecar in an accident at Western Kentucky Speedway. He is currently a college student at Oakland City University working on a degree to pay the bills for his dirt racing addiction.
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