B12D SAIL 1.2 Cylinder Head Assembly Full Aluminum DOHC Chevrolet Spark Wuling

B12D SAIL 1.2 Cylinder Head Assembly Product Overview

Complete cylinder head assembly designed specifically for Chevrolet Sail 1.2L (B12D/LMU) engines. This precision-engineered component is ready for immediate installation in engine overhaul or replacement applications.

Construction & Design Features

Full aluminum alloy construction using low-pressure casting 4-cylinder DOHC (Double Overhead Camshaft) design 4 valves per cylinder (16 valves total) Shim-under-bucket lifter configuration Timing chain drive system Non-VVT (Variable Valve Timing) design

Integrated Components

Complete assembly includes the entire valve train system with intake and exhaust valves, springs, keepers, guides, and seats. Also incorporates camshaft bearing caps, spark plug holes, intake and exhaust ports, cooling and lubrication passages, and valve cover mounting surface.

Technical Specifications

Combustion Chamber: Shallow-bowl design

Compression Ratio: 10.5:1

Quality Testing: Factory-tested for airtightness, dimensional accuracy, and sealing integrity

Vehicle Compatibility

Fits Chevrolet Sail 1.2L, Spark 1.2L, Wuling N200/N300 and other compatible models using the B12D/LMU engine platform.