Pulley Kit for Perkins 4170, 4108 (K6) AltMount®Serpentine Pulley Conversion Kit for Perkins/Sabre Engines Perkins/Sabre Engines Covered: 4107, 4108 Kit Includes: Three Six-Groove (K6) Pulleys, Two K6, 40″ Circumference Serpentine…Continue readingBalmar Pulley Kit f/Perkins 4170, 4108 (K6) [48-PSP-410-A]