425HP
The 425 hp 347 stroker engine offers a mild idle and good vacuum for power brakes, perfect for daily drivers. With a 6000 RPM max, it pairs well with a 2400 to 2600 stall converter. If you want more power, check out the 440 hp version.
440HP
The 440 hp engine package provides a more aggressive idle and slight horsepower increase while maintaining street drivability. With a peak RPM of 6000, it’s thrilling for muscle cars and works well with a 2400 to 2600 stall converter.
500HP
The 500 hp 347 engine is for serious enthusiasts, delivering a choppy idle and peak performance up to 6500 RPM. It’s compatible with power brakes (electric vacuum pump advised) and suits aggressive driving. For more power, consider our Super Street Series 363 lineup with an all-forged rotating assembly.