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Legal and Emissions Information
This publication is intended to provide information about the ZZ572 engine and related components. This manual
also describes procedures and modifications that may be useful during the installation of a ZZ572 engine. It is
not intended to replace the comprehensive service manuals and parts catalogs which cover Chevrolet engines
and components. Rather, it is designed to provide supplemental information in areas of interest to "do-it-yourself"
enthusiasts and mechanics.
This publication pertains to engines and vehicles which are used off the public highways except where specifically
noted otherwise. Federal law restricts the removal of any part of a federally required emission control system on
motor vehicles. Further, many states have enacted laws which prohibit tampering with or modifying any required
emission or noise control system. Vehicles which are not operated on public highways are generally exempt from
most regulations, as are some special interest and pre-emission vehicles. The reader is strongly urged to check all
applicable local and state laws.
Many of the parts described or listed in this manual are merchandised for off-highway application only, and are
tagged with the "Special Parts Notice" reproduced here:
Special Parts Notice
This part has been specifically designed for Off-Highway application only. Since the installation of this part may
either impair your vehicle's emission control performance or be uncertified under current Motor Vehicle Safety
Standards, it should not be installed in a vehicle used on any street or highway. Additionally, any such application
could adversely affect the warranty coverage of such an on-street or highway vehicle.
Chevrolet, Chevy, the Chevrolet Bow Tie Emblem, General Motors, and GM are all registered trademarks of the General
Motors Company.
Package contents:
Item
Description
1
Long Block Assembly (ZZ572/620)
2
Short Block Instructions
3
Long Block Instructions
ZZ572/620 and ZZ572/720R Long Block Specifications
TITLE
Quantity
1
1
1
88962928
REV 16JA15
PART NO.
GM Part Number
12498792
88962927
88962928
2
SHEET
23
OF
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