PISTON RINGS FOR BIG TWIN & SPORTSTER

Manufacturer: HASTINGS MANUFACTURING COMPANY

Availability: Out of stock

Part #: 63504

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Weight: 0.21

Hastings has been producing top quality rings since 1923 for major manufacturers including Harley-Davidson^®
Ring sets are available with your choice of moly top rings or cast top rings
The moly type top ring features a moly coating on the ring face that helps reduce friction while extending the working lifespan of the ring. Longer break-in time is required for this type of ring and it is best suited for cylinders with a fresh bore
The cast type top ring requires less break-in time and is best suited for cylinders that have been freshly deglazed
All middle rings are the cast type with a reverse torsional style and a taper face for excellent compression retention while providing additional oil control
The 3 piece Flex-Vent^® bottom rings feature lightweight chrome plated rails with separator ring that provides exact cylinder wall tension and oil control
Hastings is a QS-9000 certified company that provides the utmost in quality control with product that can be traced all the way back to the foundry, where the raw metal was produced to the finished part
Includes installation instructions
Sold in sets for 2 pistons

Fits Sportster Ironhead 1973/Early 1985. 1000cc & 3.188" (3 3/16"). +.040". Ring Type D. Cast top ring.
By: HASTINGS MANUFACTURING COMPANY

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