Your Shopping Cart Continue shopping “Springfield Plug-In™ Locking Air-Ride Post – 14-1/4″ to 21″” has been added to your cart. Item Your Options Quantity Price Springfield Pro Stand-Up Seat - Black Springfield Pro Stand-Up Seat - Black quantity $63.99 × Springfield Plug-In™ Locking Air-Ride Post - 14-1/4" to 21" Springfield Plug-In™ Locking Air-Ride Post - 14-1/4" to 21" quantity $276.99 × Coupon: Apply coupon Update cart Continue Shopping Cart totals Subtotal $340.98 Sales Tax $20.46 Total $361.44 Proceed to checkout