The Air-Gap 7501 is the Edelbrock intake manifold that was awarded “Best New Street Performance Product” at 1998 SEMA Show! If you don’t see what you need, call our toll free 1-800 number and ask for it.
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Edelbrock Index Price Sheet Edelbrock’s Web site
Vortec Style Intake Manifolds Performer-Plus Camshaft & Lifter Kits Q-Jet Carburetors
Performer Air-Gap 7516 RPM Air-Gap 7501 C-26 Dual-Quad Vortec 5426
Small-Block Water Pumps Big-Block Water Pumps Carburetor Cross Reference Guide
Vortec Throttle Bracket 8032    

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Air Gap manifold
  • RPM Air-Gap #7501 for S/B Chevy.
  • WINNER Best New Street Performance Product at 1998 SEMA Show!
  • The first and Only Dual-Plane Manifold with the Powerful “Air-Gap” Design.
  • Same Race-Winning Design Used on our Victor Series Competition Intakes.
  • Air/Fuel Mixture Stays Cooler for More Power.
  • Based on Performer RPM #7101 for Street and Strip Power from 1500 to 6500+ rpm...
  • You Get Maximum Power with 9.5:1 Compression.
  • Accepts Most Accessory Brockets Including Air Conditioning, Alternator and Coil Mount.
  • #7501 Includes Rear Water Coolant Outlets, Dual Distributor Clamp Locations and Nitrous Bosses.
Chevrolet 262-400 Small-Block V8 RPM AIR-GAP (1500-6500 rpm)
    The Original... Edelbrock’s Proven, Race-Winning Air-Gap Design in a Dual-Plane Manifold Designed for 1955-86 262-400 c.i.d. Chevrolet V8s, the award-winning RPM Air-Gap incorporates the same race-winning technology that's used on our Victor Series competition intakes. The air-gap design features an open air space that separates the runners from the hot engine oil resulting in a cooler, denser charge for more power. Includes rear water outlets, two distributor clamp locations and nitrous bosses. Accepts all 1976 and later alternator and A/C brackets for the street. The heater outlet boss is angled for proper fit over the valve cover. The temp sensor boss clears all waternecks. For square-bore carburetors only. No provision for exhaust-heated chokes and no exhaust crossover. Not for 1987 and later cast iron heads and will not fit under stock Corvette hood. Available with standard finish, polished or with new EnduraShine or PermaStar finish for a look you've got to see to believe, see Optional Finishes below and part numbers.

RPM Air-Gap (non-EGR) #7501*
Polished RPM Air-Gap (non-EGR) #75011*
RPM Air-Gap with PermaStar Finish (non-EGR) #75012*
RPM Air-Gap with EnduraShine Finish (non-EGR) #75014*

Carburetor Recommendations: Edelbrock Thunder Series AVS or Performer Series carb, 650-800 cfm (see Carbs & Accessories), use bracket #8031 or #8036 for 1972-78

Installation Notes: Use #8504 Edelbrock bolt kit. Recommended intake gasket: Edelbrock #7201. Manifold height: A-4.20”, B-5.25” (same as #7101), see A/B Measurements. Port exit dimensions: 1.14” x 1.95”.