Ex Gasket Premium BB Chev R
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Spectre Ex Gasket Premium BB Chev R

Part No. 420 Warranty Details  

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The K&N PreCharger® filter wrap is specially designed to extend the service interval of your K&N Filtercharger filter when used in very dusty conditions. They are made from durable polyester material containing a uniform weave. The PreCharger will stop small dirt particles with minimal restriction to the airflow of the filter.

Product Features:
  • Fits Big Block Chevy engines from 396 to 454 cubic inches
  • Extra thickness helps to fill leaks or warped surfaces
  • 2 gaskets included in each package
  • Conforms to warped manifolds and header flanges
  • Helps stop header leaks
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Bolt Hole Quantity:6
Collector Diameter:1.875 in
Gasket Thickness:0.125 in
O.E.M. Replacement:Yes
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