Sold Out Quick view Skunk2 Racing Skunk2 Honda and Acura K24A/Z Ultra Rods - 306-05-9150 Compare $530.24 $504.99 Skunk2 Racing Ultra rods are manufactured from forged 4340 Chromoly steel then heat treated for ultimate strength. Skunk2 Racing Ultra rods are an x-beam style which greatly reduces weight while maintaining strength by removing material and strategically... Currently Out of stock. On order! Currently Out of stock. On order!