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  • Wiseco Honda CB550K 74-78/CB550F75-77 101 CR Piston Kit
    SKU: 40059M05900

    The Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high-performance 4-strokes. Today, Wiseco’s forged 4-stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4-stroke pistons are ready to deliver the power and reliability you’re looking for.
    Wiseco 4 Stroke Forged Series Piston Kit, 59.00 mm Bore, 10:1 CR

    • Complete Package: Each piston includes a wrist pin, rings, and circlips, providing everything needed for installation
    • Forged Material: Optimizes strength and service life, ensuring durability under high-stress conditions
    • Performance-Enhancing Features: Varied across applications to maximize both durability and power
    • Improved tensile strength of forged material optimizes strength and service life
    • Designed and built for each specific 4-stroke powersports engine
    • Dedicated forgings allow for optimized strength-to-weight ratio
    • Includes high-quality piston rings, wrist pin(s), and circlips
    • Engineered, forged, and machined in the USA in Mentor, OH
    • 59.00 mm Bore, 10:1 CR
  • Wiseco Honda F20C 87.50 mm Bore 28.98 mm CH 7.00 CC Piston Set
    SKU: K682M875

    Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.
    Wiseco Honda F20C Piston Set, 87.50 mm Bore, 28.98 mm Compression Height, 0.9055 in. Pin Diameter, Sport Compact, Set of 4.

    • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
    • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
    • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
    • Designed and built to withstand heavy to severe duty performance applications
    • Fully machined crown features
    • Forced pin oiling
  • Wiseco Honda F20C 89.00 mm Bore 28.98 mm CH 7.00 CC Piston Set
    SKU: K682M89

    Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.
    Wiseco Honda F20C Piston Set, 89.00 mm Bore, 28.98 mm Compression Height, 0.9055 in. Pin Diameter, Sport Compact, Set of 4.

    • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
    • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
    • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
    • Designed and built to withstand heavy to severe duty performance applications
    • Fully machined crown features
    • Forced pin oiling
  • Wiseco Honda K-Series +10.5cc Dome 1.181x86.0mm Piston Shelf Stock Kit
    SKU: K650M86AP

    Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.
    Wiseco Honda K20A Piston Set, 86.00 mm Bore, 30.00 mm Compression Height, 0.866 in. Pin Diameter, Sport Compact, Set of 4.

    • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
    • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
    • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
    • Designed and built to withstand heavy to severe duty performance applications
    • Fully machined crown features
    • Forced pin oiling
  • Wiseco Honda K-Series +10.5cc Dome 1.181x86.5mm Piston Shelf Stock Kit
    SKU: K650M865AP

    Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.
    Wiseco Honda K20A Piston Set, 86.50 mm Bore, 30.00 mm Compression Height, 0.866 in. Pin Diameter, Sport Compact, Set of 4.

    • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
    • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
    • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
    • Designed and built to withstand heavy to severe duty performance applications
    • Fully machined crown features
    • Forced pin oiling
  • Wiseco Honda K-Series +10.5cc Dome 1.181x87.0mm Piston Shelf Stock Kit
    SKU: K650M87AP

    Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.
    Wiseco Honda K20A Piston Set, 87.00 mm Bore, 30.00 mm Compression Height, 0.866 in. Pin Diameter, Sport Compact, Set of 4.

    • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
    • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
    • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
    • Designed and built to withstand heavy to severe duty performance applications
    • Fully machined crown features
    • Forced pin oiling
  • Wiseco Honda K-Series +10.5cc Dome 1.181x88.0mm Piston Shelf Stock Kit
    SKU: K650M88AP

    Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.
    Wiseco Honda K20A Piston Set, 88.00 mm Bore, 30.00 mm Compression Height, 0.866 in. Pin Diameter, Sport Compact, Set of 4.

    • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
    • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
    • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
    • Designed and built to withstand heavy to severe duty performance applications
    • Fully machined crown features
    • Forced pin oiling
  • Wiseco Honda K24 w/K20 Head +5cc 12.5:1 CR Piston Shelf Stock
    SKU: 6634M875

    Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.
    Wiseco Honda K24 Piston, 87.50 mm Bore, 30.00 mm Compression Height, 0.866 in. Pin Diameter, Sport Compact, Set of 1.

    • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
    • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
    • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
    • Designed and built to withstand heavy to severe duty performance applications
    • Fully machined crown features
    • Forced pin oiling
  • Wiseco Honda K24 w/K20 Head +5cc 12.5:1 CR Piston Shelf Stock Kit
    SKU: K634M875

    Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.
    Wiseco Honda K24 Piston Set, 87.50 mm Bore, 30.00 mm Compression Height, 0.866 in. Pin Diameter, Sport Compact, Set of 4.

    • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
    • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
    • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
    • Designed and built to withstand heavy to severe duty performance applications
    • Fully machined crown features
    • Forced pin oiling
  • Wiseco Honda K24 w/K20 Heads -21cc 87.5mm Piston Shelf Stock Kit
    SKU: K622M875

    Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.
    Wiseco Honda K24 Piston Set, 87.50 mm Bore, 30.00 mm Compression Height, 0.866 in. Pin Diameter, Sport Compact, Set of 4.

    • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
    • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
    • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
    • Designed and built to withstand heavy to severe duty performance applications
    • Fully machined crown features
    • Forced pin oiling
  • Wiseco Honda K24 w/K20 Heads -21cc 87mm Piston Shelf Stock Kit
    SKU: K622M87

    Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.
    Wiseco Honda K24 Piston Set, 87.00 mm Bore, 30.00 mm Compression Height, 0.866 in. Pin Diameter, Sport Compact, Set of 4.

    • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
    • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
    • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
    • Designed and built to withstand heavy to severe duty performance applications
    • Fully machined crown features
    • Forced pin oiling
  • Wiseco Honda R18 81.5mm 9.0:1 CR Bore -10cc Dome Piston Shelf Stock Kit
    SKU: K672M815AP

    Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.
    Wiseco Honda R18A Piston Set, 81.50 mm Bore, 1.132 in. Compression Height, 0.787 in. Pin Diameter, Sport Compact, Set of 4.

    • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
    • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
    • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
    • Designed and built to withstand heavy to severe duty performance applications
    • Fully machined crown features
    • Forced pin oiling
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