Moroso 68857 - Valve Cover, Breathers, Replacement For GM COPO

VALVE COVER BREATHERS, REPLACEMENT FOR GM COPO ONES, A PAIR V/C BREATHERS, REPLACEMENT FOR GM COPO, 2 PACK. • Replaces damaged COPO Breathers, a good addition to back up engines or for new builds where the goal to is breath the engine the same way as the COPO cars. • Breather screws on to factory COPO breather covers or Moroso Part No. 68493 valve covers that accept COPO breathers • Breather's fitting accepts a 5/8" hose