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3. Slide manifold into position and start all bolts, using
lock washers on all bolts plus flat washers on slotted
ends (do not tighten). Use ferry bolt and spacer for
radiator hose support bracket.
4. Install EGR tube on manifold.
5. Tighten all bolts at this time.
ASSEMBLY RIGHT SIDE
1. Start rear manifold bolt with gasket, lock and flat
washers in place, then screw in leaving just enough
space to slide manifold into position. NOTE: Be sure
spark plug clips do not interfere with manifold
surface.
2. Place manifold into vehicle with dipstick between
first and second exhaust tube, slide manifold into
position and start all bolts using lock washers
provided (lock and flat washers on slotted ends).
3. Re-attach dipstick to cylinder head using 1/4" bolt
and 1/2" long spacer tube provided.
Catalog #67082 (Ceramic-Coated)
Qty.
Part #
Description
❑ 1
25-9447
Header left side
❑ 1
25-9446
Header right side
❑ 1
25-9521
Extension pipe left side
❑ 1
25-9643
Y-pipe assembly
Catalog #67092 (Ceramic-Coated)
Qty.
Part #
Description
❑ 1
25-9448
Header left side
❑ 1
25-9446
Header right side
❑ 1
25-9523
Extension pipe left side
❑ 1
25-9634
Y-pipe assembly
Catalog #67082, 67083, 67092, 67093
©2006 Edelbrock Corporation
Parts Common to All Part Numbers
Qty.
Description
❑ 1
Flange connector #46-1060
❑ 1
Dipstick spacer; 3/8" O.D. x 1/2"
❑ 2
Manifold port gaskets
❑ 2
Donut connector gaskets
❑ 1
Catalytic converter flange gasket
❑ 1
2-1/4" U-muffler clamp
❑ 11
3/8"-16 x 1" Hex header bolts
❑ 1
1/4"-20 x 1" Heax header bolts
❑ 4
3/8"-16 x 2" Hex bolts
❑ 8
3/8" Flat washers
❑ 16
3/8" Lock washers
❑ 1
3/8" Ferry bolt
❑ 1
5/8" Spacer, 1.50" long
Edelbrock Corporation, 2700 California St., Torrance, CA 90503
Tech Line: 1-800-416-8628
E-Mail: Edelbrock@Edelbrock.com
4. Tighten all bolts at this time.
5. Raise vehicle.
6. Replace O2 sensor in left manifold and attach wires.
Replace O2 sensor in right manifold and attach wires.
7. Install extension pipes and start all bolts.
8. Replace O2 sensor in catalytic converter.
9. Tighten all bolts.
10. Lower vehicle and replace all spark plugs.
11. Replace all spark plug wires.
12. Check all hydraulic and fuel lines making sure there is
adequate clearance.
13. Replace air cleaner assembly and connect battery.
14. At this point, it would be a good idea to look everything
over and make sure nothing was missed in assembly.
15. Start vehicle and bring up to normal operating
temperature and check for possible leaks.
16. Turn engine off and let cool. Tighten all bolts again.
KIT CONTENTS
Page 2 of 2
Catalog #67083 (Ti-Tech Coated)
Qty.
Part #
Description
❑ 1
25-9123
Header left side
❑ 1
25-9078
Header right side
❑ 1
25-9521
Extension pipe left side
❑ 1
25-9643
Y-pipe assembly
Catalog #67093 (Ti-Tech Coated)
Qty.
Part #
Description
❑ 1
25-9113
Header left side
❑ 1
25-9078
Header right side
❑ 1
25-9523
Extension pipe left side
❑ 1
25-9634
Y-pipe assembly
Brochure #63-67082
Rev. 5/06 - DA/mc
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