Edelbrock 8729 Uncategorized - Edelbrock 1/2In Upper Manifold Spacer Kit for Ford Performer RPM II 5 0L Manifold (7123) for a 1986-1993 Ford Mustang LX, 1986-1995 Ford Mustang GT, 1993-1993 Ford Mustang SVT Cobra R, 1993-1995 Ford Mustang SVT Cobra and 1995-1995 Ford Mustang GTS.
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Manufacturer: Edelbrock
Product: Edelbrock Uncategorized
Part Number: 8729
UPC: 85347087297
$161.60
Free Shipping (Continental US)
New with manufacturer warranty
Availability:
IN STOCK (5+)
SHIPS FROM MANUFACTURER
(Last checked: 02/14/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
SHIPS FROM MANUFACTURER
(Last checked: 02/14/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
Have a question regarding this product? Contact us.
Fitment:
NOTES: Edelbrock 1/2In Upper Manifold Spacer Kit for Ford Performer RPM II 5 0L Manifold (7123)
| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 1986 - 1993 | Ford | Mustang | LX | ||
| 1986 - 1995 | Ford | Mustang | GT | ||
| 1993 - 1993 | Ford | Mustang | SVT Cobra R | ||
| 1993 - 1995 | Ford | Mustang | SVT Cobra | ||
| 1995 - 1995 | Ford | Mustang | GTS |
Description:
Edelbrock Wood Fiber Laminate 1/2" Base to Upper Spacer Plate kit for Performer RPM II 5.0 Manifold PN 7123. Includes spacer plate, two gaskets, and longer bolts..
Edelbrock part #8729 spacer kit includes a 7/16" thick spacer and two .045" thick gaskets for a total thickness of 1/2". The kit also has new base to upper fasteners to accommodate the spacer. There are several benefits to the kit. First it raises the upper manifold 1/2" for increase valve cover to upper plenum clearance. This is needed to run a taller cover such as when roller rockers are used. It also provides heat insulation between the lower and upper manifolds. As a third benefit the 1/2" extra runner length helps to produce more torque. Fits all Performer RPM II 5.0 PN 7123 based manifolds.
Edelbrock part #8729 spacer kit includes a 7/16" thick spacer and two .045" thick gaskets for a total thickness of 1/2". The kit also has new base to upper fasteners to accommodate the spacer. There are several benefits to the kit. First it raises the upper manifold 1/2" for increase valve cover to upper plenum clearance. This is needed to run a taller cover such as when roller rockers are used. It also provides heat insulation between the lower and upper manifolds. As a third benefit the 1/2" extra runner length helps to produce more torque. Fits all Performer RPM II 5.0 PN 7123 based manifolds.
Edelbrock part #8729 spacer kit includes a 7/16" thick spacer and two .045" thick gaskets for a total thickness of 1/2". The kit also has new base to upper fasteners to accommodate the spacer. There are several benefits to the kit. First it raises the upper manifold 1/2" for increase valve cover to upper plenum clearance. This is needed to run a taller cover such as when roller rockers are used. It also provides heat insulation between the lower and upper manifolds. As a third benefit the 1/2" extra runner length helps to produce more torque. Fits all Performer RPM II 5.0 PN 7123 based manifolds.
Edelbrock part #8729 spacer kit includes a 7/16" thick spacer and two .045" thick gaskets for a total thickness of 1/2". The kit also has new base to upper fasteners to accommodate the spacer. There are several benefits to the kit. First it raises the upper manifold 1/2" for increase valve cover to upper plenum clearance. This is needed to run a taller cover such as when roller rockers are used. It also provides heat insulation between the lower and upper manifolds. As a third benefit the 1/2" extra runner length helps to produce more torque. Fits all Performer RPM II 5.0 PN 7123 based manifolds.