CSI/CTR Sprocket Pins 5/16" x 7/8" for use with 400544 Sprocket CSI $1.50 CSI/CTR Sprocket Pins 5/16" x 7/8" for use with 400544 Sprocket Sprocket Pins for CSI 400544 Sprocket 14 Pins needed for CSI 15 Pins needed for CTR Add to Cart