GIVIMO Aluminum Engine Cylinder Head Assembly for Small Block Chevrolet SBC 327 350 383 190 cc Intake CNC Machined with Valves Springs Seals

Direct SBC 327/350/383 Fitment: Replaces the factory cylinder head on Corvette, Camaro, and Z06 small block Chevrolet engines for restored or upgraded performance

CNC-Machined Ports and Chambers: 190 cc intake volume and 64 cc combustion chamber finished by CNC deliver smoother airflow and better sealing than standard castings

A356 Aluminum Alloy Construction: Industrial-grade alloy provides rapid heat dissipation, impact resistance, and reduced weight compared to original cast iron heads

Fully Assembled with Valves and Springs: Ships with 2.0-in intake and 1.60-in exhaust valves, springs, locks, seals, and manganese bronze guides ready for bolt-on use

Tested Water Passage Sealing: Pressurized to 0.35-0.45 MPa before shipment to verify leak-free coolant channels and proper gasket surface flatness

Specification: Intake Port Volume: 190 cc; Spark Plug Installation Hole Specification: M14*P1.25*22.8; Combustion Chamber Volume: 64 cc; Spark Plug Type: Slant Hole; Net Weight: 26.9 lbs / 12.2 kg; Intake Valve Diameter: 2.0 inch / 51.3 mm; Water Passage Sealing Side Leakage Pressure Range: 0.35-0.45 MPa; Overall Dimensions: 19.7x7.5x5.1 inch / 500x190x130 mm; Material: Aluminum A356; Exhaust Valve Diameter: 1.60 inch / 40.6 mm