Chevy Small Block Angled Plug Hydraulic Roller Assembled Aluminum Cylinder Head International V8 4L / 390 in³ (1968–1969)

4L / 390 in³ (1968–1969)

Street rod and muscle car builds

and engine bay appearance demanded by modern Ford performance enthusiasts

and Windsor V8 engine platforms

Gates Part #: K060670

Chevy Small Block Angled Plug Hydraulic Roller Assembled Aluminum Cylinder Head International V8 4L / 390 in³ (1968–1969)Upgrade your Gen I Small Block Chevy engine with a fully assembled aluminum cylinder head designed for hydraulic roller camshaft applications. Featuring 198cc intake runners, 64cc combustion chambers, and 2. 020" intake 1. 600" exhaust valves, these performance cylinder heads are engineered to support increased airflow, improved throttle response, and greater horsepower potential in street performance, muscle car, hot rod, and street strip builds.