Athena ATV Big Bore Kits

Upgrade Your ATV's Power with Athena Big Bore Kits

Athena ATV Big Bore Kits boost engine displacement and power giving your quad a massive boost in performance. Each kit includes an aluminum cylinder with a nickel-carbide coating for durability, a molybdenum-coated cast piston for high performance, and a specially designed gasket kit to accommodate the big bore features. Athena, an Italian company founded in 1973, specializes in manufacturing high-quality motorcycle components, ensuring reliability and superior performance. Browse our selection to find the perfect fit for your ATV and experience a significant upgrade in power and efficiency.