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| MANIFOLDS - Chevrolet - RPM Air-Gap - Big Block |
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Chevrolet 396-502 V8
RPM AIR-GAP 2-O (1500-6500 rpm)
Designed for street 396-502 c.i.d. Chevy V8s with large oval-port cylinder heads (1975 and
earlier), the new RPM Air-Gap incorporates the same race-winning technology that's been used on
our Victor Series competition intakes for years.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 late model alternator and A/C brackets
for the street. For square bore carburetors only. No provision for exhaust heated chokes and no exhaust
crossover. Will not fit under stock hood of Corvette, 1965-67 Chevelle or 1967-81 Camaro. Available with
standard finish, polished, EnduraShine finish or black powder coated NASCAR Edtion for a look you've got to
see to believe, see Optional Finishes.
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| Applications |
Part # |
| RPM Air-Gap 2-O (non-EGR) |
#7561* |
| RPM Air-Gap 2-O (non-EGR) w/ Polished finish |
#75611* |
| RPM Air-Gap 2-O (non-EGR) w/ Black Powder Coated finish |
#75613* |
| RPM Air-Gap 2-O (non-EGR) w/ EnduraShine finish |
#75614* |
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| Carburetor Recommendations:
Edelbrock Thunder Series AVS or Performer Series carb, 650-800 cfm (see Carbs & Accessories),
use bracket #8031 for 1972-78
 Installation Notes: Recommended intake gasket: Edelbrock #7203. Manifold ht.: A-4.45", B-6.0"
see A/B Measurements. Port exit dimensions: 1.60" x 1.94".
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Chevrolet 396-502 V8
RPM AIR-GAP 2-R (1500-6500 rpm)
Designed for street 396-502 c.i.d. Chevrolet V8s with high-performance rectangularport
heads, the new RPM Air-Gap incorporates the race-winning technology that's been
used on our Victor Series intakes. The open air space separates the runners from the hot engine oil,
and as a result, the air/fuel mixture stays cooler for a denser charge and more power. Includes rear water
outlets, two distributor clamp locations and nitrous bosses. Accepts all late model alternator and A/C
brackets for the street. For square-bore carburetors only. No provision for exhaust heated chokes and no
exhaust crossover. Will not fit under stock hood of Corvette, 1965-67 Chevelle or 1967-81 Camaro.
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| Applications |
Part # |
| RPM Air-Gap 2-R (non-EGR) |
#7562* |
| RPM Air-Gap 2-R (non-EGR) w/ EnduraShine finish |
#75624* |
| RPM Air-Gap 2-R (non-EGR) w/ Polished finish |
#75621* |
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| Carburetor Recommendations:
Edelbrock Thunder Series AVS or Performer Series carb, 650-800 cfm
(see Carbs & Accessories), use bracket #8031 for 1972-78
Installation Notes: Recommended intake gasket: Edelbrock #7202. Manifold height: A-4.45", B-6.0",
see A/B Measurements. Port exit dimensions: 1.56" x 2.24". |
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