Top End

• Built to the tightest tolerances for the ultimate combination of performance and strength • Kit includes piston rings, wrist pin, and circlips - Kawasaki KX 250 (2022, 2021); Kawasaki KX 250 X (2022, 2021)

• Built to the tightest tolerances for the ultimate combination of performance and strength • Kit includes piston rings, wrist pin, and circlips - Husqvarna FE 450 (2020, 2021); KTM 450 EXC-F (2020, 2021)

• Built to the tightest tolerances for the ultimate combination of performance and strength • Kit includes piston rings, wrist pin, and circlips - Gas Gas MC 450F (2022, 2021, 2023); Gas Gas MC 450F Troy Lee Designs (2022); Gas Gas EX 450F (2021, 2022,...

• Built to the tightest tolerances for the ultimate combination of performance and strength • Kit includes piston rings, wrist pin, and circlips - Gas Gas EC 500F (2024); Husqvarna FE 501 (2021, 2020, 2022); Husqvarna FE 501 S (2023, 2020, 2021, 2022,...

• Built to the tightest tolerances for the ultimate combination of performance and strength • Kit includes piston rings, wrist pin, and circlips - Beta 430 RR 4T (2016, 2020, 2025, 2021, 2017, 2023, 2024, 2015, 2018, 2019)

• ArmorFit proprietary coating technology conforms to bore and reduces operating friction and noise • AmorX coating is applied to piston crown, ring grooves, and pin bore through the proprietary electrochemical-process and materials • Greatly increased...

• ArmorFit proprietary coating technology conforms to bore and reduces operating friction and noise • AmorX coating is applied to piston crown, ring grooves, and pin bore through the proprietary electrochemical-process and materials • Greatly increased...

• ArmorFit proprietary coating technology conforms to bore and reduces operating friction and noise • AmorX coating is applied to piston crown, ring grooves, and pin bore through the proprietary electrochemical-process and materials • Greatly increased...

• ArmorFit proprietary coating technology conforms to bore and reduces operating friction and noise • AmorX coating is applied to piston crown, ring grooves, and pin bore through the proprietary electrochemical-process and materials • Greatly increased...

• All Wiseco pistons are forged from aerospace aluminum alloys on Wiseco’s state-of-the-art forging presses • Built on a legacy of championships for over 60 years by American craftsmen • Wiseco pistons have the latest dyno-tested technology to...

• 12-point heat-treated 8740 chrome moly steel and black oxide finish • Precision engineered rolled threads • Even load distribution with enhanced underhead flange • Unmatched strength that surpasses grade 8 fasteners • Made in the USA - Harley-Davidson...

1200 CYL 88-03 XL BLACKREPLACEMENT CYLINDERS FOR XL EVOLUTION-STYLE MOTORSReplacement cylinders feature ductile cast-iron sleeves in aluminum castingsSleeve has external ribs that "lock" the sleeve to the aluminum casting so it cannot moveExcellent for...