SAY WHY-AND 90 degree Valve Cover Breathers Pair Drilled for AFB and holley

Drilled for AFB and holley carburetors

Fits the old style 371 471 671 blowers with the smooth end plates

these 90 Degree Valve Cover Breathers are cast off the original Mickey Thompson casting patterns in 356 t6 aluminum

These Thompson 90 Degree Valve Cover Breathers are cast off the original Mickey Thompson casting patterns in 356 t6 aluminum

Parker 4 barrel carburetor top for 471 blowers

SAY WHY-AND 90 degree Valve Cover Breathers Pair Drilled for AFB and holleyPleased to offer something different, these 90 Degree Valve Cover Breathers are cast off the original Mickey Thompson casting patterns in 356 t6 aluminum, heat treated and then machined in house. Buy it now gets you one pair. Spread the word on how Weiand is pronounced. Thanks