Wiseco 493M05000 Forged Piston Kit Honda Bore - CR80 1983 50.00mm

The Wiseco 493M05000 is a forged high-performance piston kit designed for the 1983 Honda CR80 with a 50.00mm bore. Built from high-silicon, low-expansion aluminum alloy, this piston delivers superior strength, reduced weight, improved heat transfer, and longer service life compared to OEM cast alternatives — making it an ideal choice for both trail riding and motocross competition.

Wiseco's dedicated forging process produces an aerospace-grade piston with an optimal cam shape and profile engineered to maximize horsepower and torque output. The precision CNC-machined finish ensures consistent sizing with no variation, and tight tolerances allow for quiet, reliable operation. This piston is compatible with cast iron, chrome, Nikasil, and boron composite cylinder bore compositions.

Kit Includes:

• One (1) forged 50.00mm piston
• Two (2) 1969CD piston rings
• Two (2) CW12 circlips
• Note: S538 wrist pin is not included

Key Features:

• Forged aluminum construction — high-silicon alloy for strength and durability under racing conditions
• 50.00mm bore diameter — fits standard or oversize applications for the 1983 Honda CR80
• CNC diamond-turned finish — guarantees precise sizing and optimal ring seal
• Innovative piston skirt design — optimized cam profile for peak horsepower and extended service life
• Broad cylinder compatibility — suitable for cast iron, chrome, Nikasil, and boron composite bores
• Complete ring and circlip set included — ready for installation (wrist pin sold separately)

Wiseco piston kits are sold by application and bore size. Measure your cylinder before ordering to confirm the correct bore size. All kits cover a single cylinder only.