GM LS Compatible 427 c.i. Engine and 4L80E Automatic Transmission - 830 Horsepower - Standard Edition Builder Series - Holley Terminator X EFI System

This 427 c.i. engine package delivers 830 horsepower and 800 ft. lbs. of torque, paired with a 4L80E transmission and Holley EFI system.

• The description claims the package delivers 830 horsepower and 800 ft. lbs. of torque.
• The description claims the engine has a 9.5:1 compression ratio.
• The description claims the block features high strength cast iron, increased deck thickness, extended cylinder skirt, priority main oiling, and a 6-bolt main configuration.