Edelbrock Performer Series 2104 | Engine Intake Manifold

Part Number
Performer Series Intake Manifold; Cast Finish; 4 bbl Carb; Idle-5500 rpm; For Cast Iron Heads; Non EGR

Fits: 87-91 Avanti II, 87 Buick Regal, 87-89 Excalibur Phaeton, 87-88 GMC G3500

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Edelbrock part #2104 Performer intake manifold is designed for street 262-400 c.i.d. Chevy V8's that have heads with canted center bolt holes, 1987-1995. Edelbrock's Patented Dual-plane, low-rise design with a 180-degree firing order greatly improves torque over a wide rpm range for excellent throttle response. The Performer intake manifolds are ideal for passenger cars, trucks, 4x4s, tow vehicles and RVs. For 1987-95 stock aluminum heads use #2101.

BRAND: Edelbrock


  • Chevrolet:Small-Block Gen I:305 (5.0L)/350 (5.7L)
  • 50-State Street Legal if Correct Carburetor Used
  • Performer Intake Manifold for 1987-95 Small Block Chevy; Satin Finish
  • Performer Series Intake Manifold
  • Accepts A/C And Alternator
  • Accepts Late-Model Choke; Water Neck; And HEI
  • 21043; Chevy; Chevrolet; Edelbrock; Intake Manifold; Intake; Manifold; Dual-Plane; Performer; Black Powder Coated
  • { eo : 5in.}
  • Dual-Plane Low-Rise Intake w/180 Deg. Firing Order
  • Excellent Throttle Response and Mid-Range Power
  • For Idle to 5500 RPM Street-Driven Performance
  • Intake Mnfld
  • Accepts Exhaust Heated Chokes
  • Patented Runner Design Ensures Broad Torque Curve
  • • Manifold ht: A-3.50in.; B-4.60in. • Carb pad height: 4.05in. • Carb recommendations: OEM 4-Bbl; Use choke rod # 9171. Edelbrock AVS2 Series or Performer Series Carb 500-650cfm. Bracket # 8031 or # 8036 for 1972-1978. • Port exit dimensions: 1.14in. x 1.88in. • Recommended intake gasket: GM #10163409 • Use RTV sealant to properly seal end seals; such as Edelbrock High Temp Silicone sealant # 1076; DO NOT USE END SEALS GASKETS. • Sealant must be used on intake bolt threads if the threads extend into lifter valley or coolant passage. • NPT/Pipe thread fittings require the use of Teflon tape or paste on threads to ensure proper seal. • DO NOT OVERTIGHTEN NPT/Pipe fittings; this may cause the aluminum to crack around the fitting boss. NPT/Pipe thread is a tapered thread. • Hardened washers Must be used with intake bolts to ensure proper torque and prevent galling of the aluminum. • Choke plate # 8901 included • Even though manifolds are compatible with EGR systems; this does not mean they are legal for use on emissions controlled vehicles. Check local laws for legality. • Proper installation is the responsibility of the installer. Improper installation will void your warranty and may result in poor performance and engine or vehicle damage.


Cylinder Head TypeCenter Bolt (87-95)
EmissionWithout EGR
Engine Make/SizeChevy Small Block (262-400)
Number of CarbsOne
RPM RangeIdle -5500
WARNING CA Proposition 65Yes
WARNING CA Proposition 65 MessageWARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

Cast Finish; 4 bbl Carb; Idle-5500 rpm; For Cast Iron Heads; Non EGRDesigned For The Engine Swap Market~Not Legal For Use On Pollution Controlled Vehicles




  • 1987-1988 GMC G3500 - Position: N/A
  • 1987-1989 Excalibur Phaeton - Position: N/A
  • 1987-1987 Buick Regal - Position: N/A
  • 1987-1991 Avanti II - Position: N/A
Customer Questions
Will an engine flush clean my pistons?
No, an engine flush is unlikely to clean the pistons.
How to replace engine pistons?
Replacing engine pistons involves removing the engine from the vehicle, disassembling it, removing the pistons, inspecting the engine components, installing the new pistons, reassembling the engine, and testing it. It's a complex process that should only be attempted by experienced mechanics.
When do engine pistons rings go bad?
Engine piston rings can go bad due to wear and tear, inadequate lubrication, overheating, manufacturing defects, or improper installation. Symptoms of failing piston rings include reduced engine power, increased oil consumption, and blue smoke from the exhaust. Regular maintenance and inspection can help identify potential issues.
Why do engine piston rings fail?
Engine piston rings can fail due to wear and tear, inadequate lubrication, overheating, manufacturing defects, or improper installation. Regular maintenance and inspection of the engine can help identify potential issues. Symptoms of failing piston rings include reduced engine power, increased oil consumption, and blue smoke from the exhaust.
Can you replace engine pistons rings without removing the engine?
Replacing engine piston rings without removing the engine is possible but not recommended due to the extensive disassembly required and the risk of damaging other engine components. A full rebuild or overhaul is generally more efficient and effective.
What size Edelbrock carburetor do I need?
The size of the Edelbrock carburetor you need depends on several factors, including your engine's displacement, performance goals, and intended usage. It is recommended to consult Edelbrock's carburetor sizing guidelines or seek advice from a knowledgeable professional to determine the appropriate carburetor size for your specific application.
Why is my Edelbrock carb flooding?
Several reasons can cause an Edelbrock carburetor to flood, including issues with the float level, needle and seat, or fuel pressure regulator.
How does the Edelbrock electric choke work?
The Edelbrock electric choke uses an electric heating element to control the opening and closing of the choke plate, allowing for automatic choke operation based on engine temperature.
Are Edelbrock carbs square bore?
Yes, most Edelbrock carburetors are designed as square bore carburetors.
Are oil pump gears necessary?
Yes, oil pump gears are essential for maintaining proper engine lubrication in an internal combustion engine.
How do oil pumps work?
Oil pumps work by creating pressure to circulate engine oil throughout an internal combustion engine.
Where is the oil pump located?
The oil pump is typically located inside the engine's lower oil pan or sump.
Why do oil pump failures happen?
Oil pump failures can arise from wear, contamination, poor maintenance, and manufacturing defects, causing inadequate lubrication and potential engine damage.
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