Designed for 1970-91 304-401 c.i.d. and 1967-69 290-390 c.i.d. V8's, RPM Air-Gaps incorporate the same race-winning technology as our Victor Series competition intakes. The air-gap design features an open air space that separates the runners from the hot engine oil for a cooler, denser charge and more power. For square-bore carbs. Includes standard oil fill and PCV provisions as well as early air conditioning support bracket accessory bosses. No provision for exhaust-heated chokes. No exhaust crossover. ** Carburetor Recommendations: Edelbrock Thunder Series AVS or Performer Series carb, 600-800 cfm Installation Notes: Recommended intake gasket: #7213 or Fel-Pro MS96011. #7531 must use factory style metal valley tray. #7531 has two center bolt holes offset. Manifold height: A-4.45", B-5.77"; Carb pad height: 5.11" . Port exit dimensions: 1.04" x 2.10". Bracket #8034 required for 1979 and later vehicles. Camshaft Recommendations: Performer RPM #7132.
| Cylinder Head Type | AMC 1970-91 304-401 CID |
| Emission | N/A |
| Number of Carbs | None; For Fuel Injection |
| Position | N/A |
| RPM Range | 3500-7500 |
| Usage | Racing |
| WARNING CA Proposition 65 | Yes |
| WARNING CA Proposition 65 Message | WARNING: This product can expose you to Lead; which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information; visit www.P65warnings.ca.gov. |
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