8"-10" 4S/4SG 1st or 2nd check assy w/ spring. SKU: 4S00E02 $5,441.76 Login for better price Select Quantity -+ Add to Cart Additional DetailsManufacturer: Apollo Size: 8 Inch, 10 Inch Product model: DC-4S / DC-4SG, DCDA-4S, DCDA-4SG