JB4 VR30 Fuel Wires ADD-ON

JB4 VR30 Fuel Wires ADD-ON

  • $ 30.00

SKU: VR30 Fuel Wires

DESCRIPTION

These extra wires plug in to the JB4 harness allowing it to tune your air/fuel ratios, leaning the tuning out at higher RPM has resulted in significant additional power gains.