Twisted Choppers Transmission Mounting Plate for Harley Big Twin 5/6 Speed

Twisted Choppers Transmission Mounting Plate for Harley Big Twin 5/6 Speed

Twisted Choppers Transmission Mounting Plates give custom frame builders a precision-machined, ready-to-weld solution for locating Harley-Davidson Big Twin 5 and 6-speed Softail-style transmissions in a custom frame – no critical alignment guesswork, coped to sit against the seat post, and machined for proper flange nut recesses.

Key Features

• Coped to fit 1-5/8-inch seat post tubing – ready for welding without additional prep
• Machined for clearance with recessed pockets for flange nuts
• Available in three offsets (.000″, .750″, 1.500″) to match rear tire width requirements
• 1/2-inch steel plate construction
• Made in the USA

Technical Specifications

• Material: 1/2-inch steel plate
• Seat post tube clearance: Coped for 1-5/8-inch tubing
• Available offsets: .000″, .750″, 1.500″
• .000″ Offset: Right-side drive applications, 280mm and larger rear tires
• .750″ Offset: 180mm and 200mm rear tires
• 1.500″ Offset: 240mm and 250mm rear tires
• Origin: Made in USA

Fitment Notes

• Designed for custom frames using 5 or 6-speed Harley-Davidson style Softail transmissions
• Select offset based on intended rear tire width using the SKU before ordering
• Review the Fitment tab for dimensional compatibility details