Balmar Pulley Kit f/Perkins 4170, 4108 (K6) [48-PSP-410-A] Marine Safety | Medical Kits Hot Shot™ does this by

Hot Shot™ does this by dramatically reducing water drag on take off as well as serving as a center trim tab

Superior line and leaders rank among the highest in tensile strength

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Balmar Pulley Kit f/Perkins 4170, 4108 (K6) [48-PSP-410-A] Marine Safety | Medical Kits Hot Shot™ does this byPulley Kit for Perkins 4170, 4108 (K6) AltMountSerpentine 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 Belts (one spare) & Mounting Hardware Note: If you specify an AT 200A Alternator, a longer belt length may be required. This product may not be returned to the original point of purchase. Please contact the manufacturer