Chevy Performance's new LS427/570 crate engine is an enhanced version of the production-based LS7.

- Single rib cap design for added strength and bearing support
- Polished and shot peened beams to eliminate stress risers
- Special hollow dowels and huge 7/16” cap screw bolts greatly increase strength and horsepower capabilities
- Available for Chevy, Chrysler

- Enables maximum torque and power output
- Advanced anti-wear and extreme pressure additives for flat tappet cams
- Shear stable, regenerative polymers maintain oil viscosity and film thickness
- World-class, proprietary additive system and esters combine to virtually eliminate oxidation and wear
- Surface-active chemistry aggressively attaches to engine surfaces and keeps them clean