which u-joint?

DesertDueler2 · Apr 3, 2006

I am putting a 14FF from a 78 K20 into a 86 2wd 1/2 ton burb(Had a 10 bolt) . Which u-joint do I need?

Dan

wraenking · Apr 3, 2006

pretty sure its a Napa PN 447

wait for others to concur

Hossbaby50 · Apr 3, 2006

I concur. Napa #447 for a 10 bolt to 14bff.

Harley

yoshisv · Apr 3, 2006

Mine takes a precision #348

Hossbaby50 · Apr 3, 2006

Did your truck have a 12 bolt originally? If so that is the part number for the 12 bolt to 14bff ujoint.

Harley

neverendingproject · Apr 3, 2006

10bolt-14ff=napa 447

roger over and out

trikstark5 · Apr 4, 2006

10 bolt driveshaft to 14 bolt yoke = NAPA #447 (Spicier), just picked one up last week.