GRAF GEARBOXES SYNCHRO HELICAL GEARSET (1-6) Choose Your Ratio:2.58 / 1.67 / 1.28 / 1.00 / 0.86 / 0.74 (turbo ratios) enhancing the overall look and

enhancing the overall look and feel

Optional Upgrade to Bosch DBW (82mm) or Bosch DBW (74mm) Throttle Flange

narrows down in certain points

Intercoolers available in black or silver with piping available in black or red

GRAF GEARBOXES SYNCHRO HELICAL GEARSET (1-6) Choose Your Ratio:2.58 / 1.67 / 1.28 / 1.00 / 0.86 / 0.74 (turbo ratios) enhancing the overall look andFITS: 8th and 9th Gen Honda Civic Si 2002 2006 Acura RSX 1st and 2nd Gen Acura TSX THIS IS A MADE TO ORDER ITEM Model: Civic Transmission: FWD Engine: K20 K24 Gearbox: K series Category: Drag (street strip) Fitment: OEM AVAILABLE RATIOS 2. 58 1. 88 1. 41 1. 11 0. 91 0. 74 (SKU: G08K0501) (all motor ratios) 2. 58 1. 67 1. 28 1. 00 0. 86 0. 74 (SKU: G08K0502) (turbo ratios) Please feel free to contact us about custom ratios.