Quick view Kartboy Kartboy Rear Subframe Lockdown Bolts for 02-07 WRX/STI $35.00 The Kartboy Rear Subframe Lockdown Bolts are used to fix the rear subframes excessive movement under lateral loads. This kit includes a pair of bolts and sleeves that will keep your subframe locked in place without the risk of affecting your alignment... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List