Casting Piston Kit 66.5φ/0.5mm Oversize Z1

[PMC 72-561 Casting Piston Kit 66.5φ/0.5mm Over for Z1] ・Replacement piston kit prioritizing practicality, with minimal need for extreme carburetor re-tuning. ・Compression ratio designed to be 8.5:1 for Z1, which is the same as the catalog specifications. ・Allows for fine-tuning while retaining the original characteristics of the STD engine. Specifications: ・Type: 66.5φ/0.5mm Over ・Compatible genuine part numbers: 13001-054 / 13029-058 / 13027-056 / 13008-5005 / 13025-5004 / 13024-5005 / 13002-022 / 92036-021 Set contents/accessories: ・Piston, rings, pins, circlips for all 4 cylinders *The image is for illustrative purposes only, and the design and specifications of the products shown are subject to change without notice. Please be aware of this.