Upgrade your engine's performance with the Rotary 10024 21/32 x 42. 8 Engine/Transmission Belt. Designed with precision and durability in mind, this belt (part number 10024) is perfect for maintaining the smooth operation of your engine and transmission. Say hello to improved performance and reliability with this high-quality product from Rotary. Trust in the brand that has been providing top-notch equipment for over 50 years. Don't settle for less, choose Rotary for all your engine and transmission needs. Take your vehicle to the next level with the Rotary 10024 21/32 x 42. 8 Engine/Transmission Belt.