Thumper Synthetic Ester Blend 4T Engine Oil 10W-40 4-Liter

  • Sale
  • Regular price $44.95


  • Synthetic blend for racing engines
  • Maximum horsepower and consistent clutch performance
  • Wear protection for valve-trains, rings, cylinders and pistons
  • For air-cooled/liquid-cooled 4T engines with wet clutches