Aluminum 2" NPSM Weld In Neck

Product # 81004

Material = Aluminum

ID = 1.970" +/-
OD = 2.345" +/-
Overall Length = Varies based on selected option below
Hole Cut = 2.080" Min / 2.345" MAX
TPI = 11.5"

NPSM = (NATIONAL PIPE STRAIGHT MECHANICAL)
TPI = (THREADS PER INCH)

Any cap listed on our website that is called (2" NPSM) will work with this neck.  see our Boyd 2" NPSM CAPS HERE.