NOS MC Japan AC-280 Piston Rings STD Standard Harley 74" Panhead Shovelhead
Product: Vintage MC Japan Piston Ring Set
Part Number: AC-280
Size: STD (Standard Bore)
Condition: [NOS - New Old Stock in Original Box]
Part Number: AC-280
Size: STD (Standard Bore)
Condition: [NOS - New Old Stock in Original Box]
Overview
This is a high-quality, Japanese-made piston ring set by MC, a trusted name for vintage engine components. These are New Old Stock (NOS) and specifically designed for 74 cubic inch (1200cc) Harley-Davidson Big Twin engines.
Because these are Standard (STD) size, they are intended for original factory bore cylinders that have not been overbored.
Fitment & Compatibility
- Engine: Harley-Davidson 74" (1200cc) Big Twin
- Models: Panhead and Shovelhead (FL, FLH series)
- Bore Size: Standard (STD)
- Cross-Reference: Often used as a high-quality alternative to OEM Harley or Hastings rings for period-correct restorations.
Key Features
- Manufactured in Japan: Known for superior metallurgy and tension compared to modern budget alternatives.
selling as pictured.
more than welcome to pick up at shop in butler pa & save shipping.
031626 jy