Edelbrock 65083 - Manual
Edelbrock 65083 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
©2008 Edelbrock Corporation
Brochure #63-65063
Catalog #65063, #65073, #65083, #65123
Rev. 4/08 - AJ/mc
Page 1 of 2
®
EDELBROCK RETRO-FIT HEADER SYSTEM
For GM Bodies: A ‘64-’67, ‘68-’72; F ‘70-’81; and X ‘75-’79
Catalog #65063, 65073, 65083, 65123
INSTALLATION INSTRUCTIONS
Please study these instructions carefully before installing your new Edelbrock Retro-Fit LS1 Header System. If you have any
questions, please contact our
Technical Hotline at: 1-800-416-8628
, 7am - 5pm, Monday-Friday, Pacific Standard Time or e-mail
us at
DESCRIPTION:
These header systems are designed to improve the exhaust efficiency of either the Vortec style head equipped
Small Block Chevrolet engine or the LS series engine as it is used in the A, F, or X-body chassis. It is highly recommended to use
the Edelbrock Engine Mounting Adapter Plates # 6701 for the LS series engine headers #65063 or #65073. These headers are
designed to work with the corresponding Edelbrock Header-Back for the appropriate chassis style.
Suggested Tools for Installation:
❑
SAE and metric sockets, ratchets, and wrenches
❑
Floor jack and load rated jackstands
APPLICATIONS:
HEADER COMPONENTS:
IMPORTANT NOTE:
Proper installation is the responsibility of the installer. Improper installation will void
warranty and may result in poor performance and engine or vehicle damage.
KIT CONTENTS (#65063 & #65073):
KIT CONTENTS (#65083 & #65123):
Part #:
Year Range: Body Style:
Engine Family:
65063
1964 - 1967
A
LS1
65073
1968 - 1972
A
LS1
65073
1970 - 1981
F
LS1
65073
1975 - 1979
X
LS1
65083
1964 - 1972
A
Vortec
65123
1970 - 1981
F
Vortec
65123
1975 - 1979
X
Vortec
Part #:
Quantity:
Component #:
Description
65063
1
25-9825
Left Header
65063
1
25-9826
Right Header
65073
1
25-9810
Left Header
65073
1
25-9811
Right Header
65083
1
25-9821
Left Header
65083
1
25-9822
Right Header
Quantity: Component #:
Description:
2
54-8200
3” Donut Gaskets
2
54-6600
LS series Port Flange Gaskets
12
68-0350
8mm - 1.25 x 30mm Bolts
12
82-4620
8mm Lock Washers
12
82-8721
8mm Hardened Washers
4
68-8565
3/8” - 16 x 2-1/2” Hex Bolts
4
82-5240
3/8” Flat Washers
4
82-5590
3/8” Lock Washers
4
60-9185
3/8” - 16 Hex Nut
2
52-9710
O2 Sensor Bungs
2
23-4113
Collector Flange
2
79-9027
Collector Ext. (Stub Tube)
Quantity: Component #:
Description:
2
54-8200
3” Donut Gaskets
2
54-6590
Port Flange Gaskets
12
36-0716
3/8” - 16 x 1” Header Bolts
4
82-7231
3/8” Hardened Washers
4
68-8565
3/8” - 16 x 2-1/2” Hex Bolts
4
82-5240
3/8” Flat Washers
16
82-5590
3/8” Lock Washers
4
60-9185
3/8” - 16 Hex Nut
2
23-4113
Collector Flange
2
79-9027
Collector Ext. (Stub Tube)
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