The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 47-59 Napco 4x4

sack54 · 04-16-2021, 05:08 PM

H-033 GM rear 3.90 most half ton, Some were born with Spicer 45 rears, Unit comes out back used by GMC in 57 on. Chevy used H-033 for a few years in trucks unit come out front 56-59
GM are easy to tell back cover and Member comes out the front

04-16-2021, 05:08 PM	#7
sack54 Registered User Join Date: Dec 2017 Location: Londonderry NH. Posts: 138	Re: Napco 4x4 H-033 GM rear 3.90 most half ton, Some were born with Spicer 45 rears, Unit comes out back used by GMC in 57 on. Chevy used H-033 for a few years in trucks unit come out front 56-59 GM are easy to tell back cover and Member comes out the front Last edited by sack54; 04-16-2021 at 05:37 PM.