V Belt A66 (4L680) 1/2"x5/16"x68" B/17/5L Drives PowerTwist Plus V-Belt - 5L 5/8" B-SECTION Top Width .625" Thickness 13/32" Length 1 Foot industrial applications V Belt BX63  5/8"x13/32"x66"
V Belt A76 (4L780) 1/2"x5/16"x78" A-13-4L Drives PowerTwist Plus V-Belt - 4L 1/2" A-SECTION Top Width 1/2" Thickness 5/16" Length 1 Foot industrial applications 4PK1040 (4PVK 1040) Automotive Serpentine 14mm x 1040mm