Chevy Small Block Angled Plug Hydraulic Roller Assembled Aluminum Cylinder Head International V8 Street rod and muscle car

Street rod and muscle car builds

4L / 390 in³ (1968–1969)

Will not fit 351W — despite the shared "351" name

The Cadillac big block powered the full range of Cadillac vehicles across four displacements from 1968 through 1984 — DeVille

Construction is chrome-plated steel with a 3 1/8 in

Chevy Small Block Angled Plug Hydraulic Roller Assembled Aluminum Cylinder Head International V8 Street rod and muscle carUpgrade 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.