MFactory K20 Pro Series 1-4 Drag Gear Set Toyota Included are 4 button head

Included are 4 button head allen bolts to secure the coil packs to the mounting plate as well as the additional bolt for the corner of the valve cover

3/8"NPT Aluminum Bung

RU63501 / 36172P08015

This Kit includes all the components necessary to convert your ECU into one with fully functioning Boost by Gear control

MFactory K20 Pro Series 1-4 Drag Gear Set Toyota Included are 4 button headThese K Series gears are a direct swap for the OEM 1 4 K20 6 speed gears and can be used with OEM synchros or Synchrotech Carbon Synchros. They are designed with a longer 1st and close ratios 1 4 for a better launch and reduced RPM drop during shifts. The OEM 5th and 6th gears can be reused for highway cruising. The gears are hardened and super sub zero cryo treated for increased strength. Ratios: 2. 313 1st, 1. 650 2nd, 1. 304 3rd, 1. 080 4th