The ANDREWS Primary Drive & Driveline Component provides precision-engineered performance for Driveline Components applications. *OEM Specification:* 4-Speed Main Shaft - Replacement - '84-'86 Harley-Davidson. Key Specifications & Features - Riding Style: Street - Features: For 4-Speed Models - Type: Transmission - Units: Each - Product Name: Main Shaft - Available Configurations: SHAFT TRAN MAIN 35039-85, SHAFT TRAN MAIN 35042-79, GEARS TRANS XL 35772-89, GEARS TRAN CR 1ST 5SPD XL, SHAFT TRANS XL 35640-89, 74 SHIFT FORK MAIN SHAFT, 74 SHIFT FORK CNTR SHAFT, C/R 4SPD GEAR SET 36-76BT (+2 more options)