New FX K501R - Combo: Engine + Muffler 2131 + 659706 Manif. SM
• Premium high-performance engine
• Racer edition
Set of #650302 5-port FX engine K501R, #659503 EFRA 2131 tuned muffler and #659706 short-medium radius off-road manifold.
650003 FX K501R - Combo: Engine + Muffler 2131 + 659706 Manif. SM