ARB.parts

Executive order

D-250-4

Air Flow Research Company

Open official EO PDF ↗ Legacy scan
Date
2004-10-27
Device
Small Block Chevy LS1 Gen 3 Aluminum Cylinder Heads
Type
Cylinder Head
Applications
0

Vehicle applications

No vehicle applications were preserved for this order.

Part records

Part numberModel/specificationModificationRemarks
1510, 1520, 1530, 1540, 1550, 152005 and older General Motors vehicles equipped with a 4.8, 5.3, 5.7, or 6.0L small block dedicated gasoline V8 engine, excluding the following engine test groups certified to Low Emission Vehicle II (LEV II) emission standards and Super Ultra Low Emission Vehicle (SULEV) emission standards: 2004 model year, 4GMXT06.0187, 4GMXA06.0189; 2005 model year, 5GMXA6.0189, and 5GMXT06.0187.