Detroit Speed Select-A-Speed Windshield Wiper Kit - 7 Speed - Adapter Plate/Controls/Motor/Wiring Harness - GM A-Body 1970-72 Drive Shaft Requires no modification to factory

Requires no modification to factory blocks

this flat one-piece guide plate set is designed for Oldsmobile 350-455 engines with 5/16" studs and 5/16" pushrods

Compare this with standard replacement joints

Inner Shell

Detroit Speed Select-A-Speed Windshield Wiper Kit - 7 Speed - Adapter Plate/Controls/Motor/Wiring Harness - GM A-Body 1970-72 Drive Shaft Requires no modification to factoryNot applicable to kits manufactured before 2015 Performance and Convenience of Modern Late Model Wiper System Seven Speed Wiper Motor with Five Delays, Low Speed, and High Speed CNC Aluminum Mount Connects Wiper Motor to Stock Firewall Bolt Pattern Push Button Windshield Washer Function Use with Optional Washer Pump 121102 Washer Option Cycles 3 Times (like Late Model Vehicles) and Continues at Last Switch Position Compact Motor for Extra Clearance