PISTON RINGS FOR BIG TWIN & SPORTSTER

Manufacturer: HASTINGS MANUFACTURING COMPANY

Availability: In stock

Part #: 63101

Your price:

Weight: 0.23

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 (except as noted)

Ring Type & Width
Ring Type	Moly Top Ring	Cast Top Ring	Cast Middle Ring	Chrome Bottom Ring
A	1/16"	---	1/16"	3/16"
D	---	1/16"	1/16"	3/16"
E	1.5mm	---	1.5mm	1.75mm
F	---	1/16"	1/16"	5/32"
G	1/16"	---	1/16"	5/32"
H	1.5mm	---	1.5mm	3mm
I	1.5mm	---	1.5mm	2.5mm

Hastings
Type D Set with Cast Top Ring
Fits Knucklhead, Panhead 1955/1965 & Shovelhead 1966/1977
Displacement: 74ci (1200cc)
STD Bore Size: 3.438" (3 7/16") + .010"
Replaces HD# 22327-55B
By: HASTINGS MANUFACTURING COMPANY

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