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AST Pressure Cap 13 or 16 psi RX-7 FD

AST Pressure Cap 13 or 16 psi RX-7 FD

PSI

This is the pressure cap fits both our original design RX-7 aluminum Air Separator Tank and the RX-8 aluminum expansion tank replacement / AST,  with 2" neck..   

Our latest designs for both RX7 & RX8 use the smaller cap with 1" neck. 

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