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ASSEMBLY OF EXHAUST PIPE
§
Note:
The stock donut on 4.8L & 5.3L gasket on
right exhaust manifold will be re-used with
headers.
This system comes with 2 exhaust crush
rings. On 4.8L & 5.3L V8s, only one will
be used on the left side collector. 6.0L
vehicles will use one on the left side and
one on the right side to replace factory-
installed crush rings.
1. On 4.8L & 5.3L V8s - Remove the donut gasket
from right side exhaust manifold. Using a pair of
pliers, remove the retaining ring from the donut
gasket and place the donut gasket in flare of
factory exhaust pipe.
Using supplied hardware, re-attach the factory
2.
exhaust pipes to the headers and tighten bolts
evenly to ensure a tight seal. (Note: The 7/16 x 2
bolts are to be used on the right side of 4.8L &
5.3L V8s and the 7/16 x 1 ¾ are for the left side of
4.8L & 5.3L V8s, or both sides on 6.0L V8).
Qty.
1
#25-9175 Header left side
1
#25-9160 Header right side
4
Hex header bolts; 8mm x 1.25 x 30mm
8
Hex header bolts; 8mm x 1.25 x 25mm
2
Port gaskets
6
7/16" x 1 ¾ Hex bolts
2
Exhaust crush rings
3
7/16" x 2 Hex bolts
PLEASE complete and mail your warranty card. Be sure to write the model number of this product in the
"Part #________" space. Thank you.
2001 Edelbrock Corporation
C:\WINWORD\Installation Instruction\6501 - Shorty Headers.Doc
HARDWARE SUPPLIED
Description
Edelbrock Corporation
2700 California Street
Torrance, California 90503
Toll-Free Tech Line (800) 416-8628
Tech E-mail: edelbrock@edelbrock.com
FINAL INSPECTION
§
1.
Check all lines (hydraulic, vacuum, air
conditioning and fuel) to ensure there is
adequate clearance to headers.
2.
Re-connect battery.
3.
At this point, it is a good idea to look
everything over and make sure that nothing
was missed in assembly.
4.
Start vehicle and bring up to normal operating
temperature. Check for possible leaks.
5.
Turn engine off and let cool. Tighten all bolts
again.
Qty.
6
7/16" Lock washers
6
7/16" Hex Nuts
6
7/16" Flat washers
1
E.G.R. gasket
14
5/16" Lock washers (header flange)
4
Hardened washers(for header flange) slotted
holes
2
A.I.R. Flange gaskets
Description
Rev. 12/01
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