As low as $9.83/mo with or . (Pay in 4 interest-free payments)
APM Transmission Bearing Support Purpose-built support for Big Twin 4-speed transmissions when the inner primary is removed for an open belt setup. This bearing support secures the transmission main/shaft and bears the full weight of the clutch basket and related components. Key Features High-strength construction: Cast from 356 T6 aluminum for durable, lightweight performance. Automotive sealed ball bearing: Provides reliable, long-lasting support and smooth operation under load. Direct fit: Designed to fit 1965 and up Big Twin 4-speed models with rear chain only. Important Notes Not compatible with super nut setups. Requires use of the stock main/shaft nut . This APM Transmission Bearing Support delivers a precision, OEM-style solution to maintain alignment and reduce wear when converting to an open belt primary. Ideal for restorations and custom builds that retain rear-chain drivetrains.