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Pitch diameter for '3L' belts is 2.5 to 3.3 inches; '4L' or 'A' belts is 2.8 to 3.8 inches; '5L' or 'B' belts is 3.0 to 4.0 inches.
2 Groove Cast Iron Variable Pitch Sheave with 5/8-Inch Bore, 3.95-inch OD K813
Sale price
$23.95
Regular price $97.50
Shipping calculated at checkout.