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The legendary WISECO piston, now optimized construction available !
High-precision forged pistons for high mileage, highest solidity and light weight
Various compression ratios available, which (from our experience) make adjustment to ignition timing redundant. Basically, the compression ratio affects the performance enhancement
Piston skirt with "anti-detonation grooves" for gas-tight enhancement
Shipment includes piston pins, piston rings, and two piston pin clips
