XRAY item 322293 - Graphite Extension For Steering Block 2 3 Slots XRAY has released Graphite Extension For Steering Block 2 3 Slots XRAY made Graphite Extension For Steering Block 2 3 Slots (322293) Steering block graphite extension, works on either left or right side. Allows for easy Ackermann position adjustment for fine-tuning on all surfaces and track conditions. 3-slot plate has increased steering angle which increases steering in slow corners. Set of 2.