Gilmer Crank Pulley Spacer with Bolts

Chevy Small & Big Block • Ford

This is a new billet aluminum gilmer drive belt crank pulley spacer. Small block Chevy 305, 327, 350, and 400 big block Chevy 396, 427 and 454 and Ford are needed. Total thickness in the center is .829" out edge is .672" thick. Inner hole is 2.043" and total diameter is 4.600" This helps eliminate alignment issue when installing gilmer pulley systems.