Rear Leaf Spring Shackle – Fits Ford E-Series, F-Series The 327-331 Threaded Spring Pin

The 327-331 Threaded Spring Pin is a precision-engineered suspension component designed for use in Mack RB

OEM Cross References:PAD101

T300/400/450/600/800

The Trailer King Pin KP100 is a durable 2-inch forged steel component designed to enhance your trailer’s coupling system

and F350 trucks with 3" wide rear leaf springs• Maintains proper spring alignment and articulation• Reduces stress on rear suspension components• Built from heavy-duty steel for long-lasting use• Replaces multiple OEM part numbers for reliable interchange

Rear Leaf Spring Shackle – Fits Ford E-Series, F-Series The 327-331 Threaded Spring PinThe Rear Leaf Spring Shackle is a heavy duty replacement component designed for use in Ford F Series and E Series trucks equipped with 3" wide rear leaf springs. Built to deliver strength and long lasting performance, this shackle connects the spring to the vehicle frame, allowing proper suspension articulation and alignment. Its an essential part of maintaining ride quality and vehicle control, especially under load. OEM Cross References: E74143,