We reserve the right to make changes in design or add improvements without incur-
ring the obligation to make such changes in equipment previously manufactured.
H6030

PARTS-SERVICE

GRAM

SUBJECT: GM 2.2L CYLINDER HEADS

This gram clarifies service components for the GM 2.2L cylinder heads. Two different cylinder heads
were used on the GM 2.2L engine. Eight mm. valve stems were used on the original cylinder head and
Seven mm. valve stems were used on the later version.

The later version can be identified by an “S” at the end of the eight digit casting number on the cylinder
head.

The table on the following page shows the parts applicable to each cylinder head. Reference the following
illustration:

AA00094

Model: H45-65KM

Date: March 22,1996

ENGINE

AA00094
Page 2

INTERCHANGEABILITY:

Cylinder heads are intercjangeable as an assembly, but not as individual parts.

PARTS STOCK:

N/A

EFFECTIVE S/N:

N/A