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5. Bend rod/extension as necessary so that rod comes
straight out of vacuum pod with no binding.
6. Weld extension to actuating rod.
7. Disassemble components and continue installation.
• ASSEMBLY - RIGHT SIDE
1. Install T.E.S. flange gasket and one 3/8"-16 x 1"
bolt, lock washer and flat washer at rearmost bolt
hole (leave bolt loose enough to accept T.E.S.).
2. Install right side T.E.S. manifold from top side.
3. Install vacuum pod and bracket using bolts and
1-1/8"spacers supplied (1979-80 only). For 1981
and later, cut heat riser metal tube as shown in Fig.
3. Install remaining bolts and lock washers.
4. Align all parts and tighten all right side bolts at this
time.
5. Re-install spark plugs and re-connect wires.
6. Remove A.I.R. check valves from original manifolds
and re-install them on T.E.S.
supplied in kit, re-connect all A.I.R. injection hoses
at this time (1979-80).
applications, remove OEM formed hose from left
side and use on the right side TES manifold; use
5/8" hose supplied on left side TES manifold.
7. Raise vehicle and support with jackstands.
Qty.
Description
❑ 1
Header left side #25-9443 (#68272)
❑ 1
Header right side #25-9442 (#68272)
❑ 1
Header left side #25-9061 (#68273)
❑ 1
Header right side #25-9062 (#68273)
❑ 1
Extension Y-pipe #25-9565
❑ 1
Extension crossover pipe #25-9567
❑ 1
Extension adapter pipe #25-9566
❑ 2
Chevy V8 port gaskets
❑ 1
Donut gasket
❑ 1
Heat riser gasket
❑ 1
O2 Sensor plug
❑ 1
U-clamp; 3"
❑ 1
U-clamp; 2-1/4"
❑ 4
Flat washers; 3/8"
❑ 9
Hex header bolts; 3/8" x 1"
Catalog #68272, #68273
©2006 Edelbrock Corporation
With 3/4" hose
For 1981-1986
Catalog #68272 (Ceramic-Coated), #68273 (Ti-Tech Coated)
Edelbrock Corporation, 2700 California St., Torrance, CA 90503
Tech Line: 1-800-416-8628
E-Mail: Edelbrock@Edelbrock.com
• CROSSOVER PIPE ASSEMBLY
1. Install heat riser valve and extended actuating rod
(1979-80 only). On 1981-1986, connect heat riser
vacuum pod using 1/4" vacuum hose supplied.
2. Carefully align and tap adapter tube into converter
using a piece of wood or a mallet to protect the end
of the adapter. NOTE: Be sure adapter goes all the
way in, approximately 2-1/2".
3. Install crossover pipe assembly on vehicle using
four 3/8" x 2" bolts with lock washers and donut
gaskets supplied.
4. Install U-clamps and tighten all nuts and bolts.
Cut heat riser tube as shown for use with
KIT CONTENTS
Qty.
❑ 2
❑ 1
❑ 1
❑ 3
❑ 3
❑ 2
❑ 2
❑ 1
❑ 1
❑ 1
❑ 3
❑ 3
❑ 1
❑ 1
❑ 17
Page 3 of 3
Fig. 3
extended hose (1981 & Later only)
Description
Hex header bolts; 3/8" x 2"
Hose connector; 3/4"
Spacer tube; 5/8" O.D. x 3/4" long
Spacer tubes; 5/8" O.D. x 1-1/8" long
Hex nuts; 3/8" - 16
Hex bolts; 3/8" x 2"
12-point head bolts
Vacuum hose; 1/4" x 15"
Hose (A.IR.); 5/8" x 16"
Hose (A.I.R.); 3/4" x 13"
Hex bolts; 3/8" x 3-1/4"
Hex bolts; 3/8" x 2-1/2"
Air conditioning bracket
Heat riser extension tube; 3/8" x 6"
Lock washers; 3/8"
Brochure #63-68272
Rev. 8/06 - DA/mc
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