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Product Summary

302, 5.0L, 0.5" Overall Thickness, Wood Spacer Material

  • 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.

Key Specs

MFG. Part #8729
BrandEdelbrock

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Edelbrock 8729 Details

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.

CARB Warning

Follow EPA, CARB, and state regulations for engine changes

Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine

Edelbrock 8729 Specifications

KEY SPECS
MFG. Part #8729
BrandEdelbrock
GENERAL
Speedway Motors Catalog Part #325-8729
GTIN Code085347087297
Sold in QuantityKit
Overall Thickness0.5"
Spacer MaterialWood
Spacer FinishNatural
Gaskets IncludedYes
Hardware IncludedYes