This V4 shifter kit took another step beyond the pervious shifter with the following

• New Dual spring mechanism design with solid shifter bushing for firmed and solid shifting.
• Counter-bore mounting hole for clean appearance.
• Height adjustable shifter with new groove design to prevent wrench slips during fastening the jam nut.
• New shifter plate design along with Circuit Sports engraving
• Comes with a 48mm light-weight (87gram) black Delrin shift knobs. * M10x1.25mm.