Definition
Block material and bore spacing set the foundation for displacement and strength.
Closed-deck and four-bolt main designs are valued in high-boost applications.
Engine
The main structural casting that houses cylinders, crankshaft bearings, and often coolant passages.
Block material and bore spacing set the foundation for displacement and strength.
Closed-deck and four-bolt main designs are valued in high-boost applications.
Category: Engine · Updated August 31, 2026