LT4 CNC Ported Cylinder Heads 6-Bolt

The Texas Speed & Performance 199-SSPRCLT4 are Precision Race Components LT4 CNC ported cylinder heads designed for high performance. These heads boast 312cc intake runners and feature 2.165-inch titanium intake valves paired with 1.600-inch stainless steel exhaust valves. Constructed with a 6-bolt design and a thicker deck surface, these cylinder heads are built for enhanced durability and strength. They also include CHE bronze guides and are equipped with a TSP .660 spring kit featuring PAC valve springs and titanium retainers. The heads are completely assembled in the USA, ensuring quality manufacturing. These LT4 CNC ported cylinder heads are engineered to work with both standard GM 4-bolt and aftermarket LT 6-bolt style engine blocks. Extensive CNC porting and dyno testing have resulted in a powerful set of LT-based cylinder heads. The product is intended for competition use only and is not legal for road use.