Aeroflow Straight Male Flare Union with 1/8" Port -6AN AF141-06 Bulkhead 12-Point Head S/Sfits SB Ford

12-Point Head S/Sfits SB Ford 351 Windsor

4 1/2" = 4

Of course and this 3 port boost control solenoid will help you do it

The pump is very versatile

The hand porting inside the collector ensures unrestricted

Aeroflow Straight Male Flare Union with 1/8" Port -6AN AF141-06 Bulkhead 12-Point Head S/Sfits SB FordStraight Male Flare Union with 1 8" Port 6AN Blue Brand: AEROFLOW Part Number: AF141 06 Description: Straight Male to Male AN with 1 8 NPT Port. A simple straight Male to Male AN adapter fitting that also features a 1 8 NPT auxilliary port that can be used for sensors, sender unitsor a gauge. Various sizes available from 3AN to 16AN. Available in Blue, Black & Silver.