NOS Spacer, Fan (cast aluminum). GM PN 3947132 (Gr. 1.064). Used on many GM mid and full size cars in the years 1976 to 1988 including 6 cyl. and V8s. Used with clutch fan. In original GM box and stored in a box. See first 4 photos. Price $55.00.
Specs: 4 holes on 1 3/4" bolt circle, 1 15/16' overall body length with 5/8" diameter hub fitment x 1/8" long.
NOS Spacer, Fan (cast aluminum) GM PN 3813241 (Gr. 1.064). Used on Corvettes from 1958 to 1962 and on 230 ci 6 cyl. and 283 ci V8 engines in many mid and full size cars. Used with clutch fan. In original GM box and stored in a box. See last 4 photos. Price $60.00.
Specs: 4 holes on 2 1/8" bolt circle, 1 15/16" overall body length with 5/8" diameter hub fitment x 7/16" long.