Brewer 18XH3-F Timing/HTD Idler Pulley — Timing PulleyBrewer 18XH3 F timing pulley from the Brewer Timing & HTD Idler Pulleys catalog. Manufactured in St. Louis, MO. Sold by Texas Belting & Supply, an authorized Brewer distributor. Authorized Brewer distributor Same day shipping from Houston Need application help or want to verify compatibility? Call 888 203 2358 you'll talk to a real person who knows tensioners. Specifications Pitch 7 8" No. Grooves 18 Dimension A 4. 903 Dimension B 3 1 16" Dimension C