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Mid-USA

Mid-USA - Piston Rings for Big Twin & Sportster

Part #: MU-63113
Ships direct from supplier

Item ships direct from supplier when available. Some items will be in stock and ship immediately, and others will have a lead time. Please contact us for more information. You will receive a lead time confirmation upon placing an order.

From $65.30
Mid-USA - Piston Rings for Big Twin & Sportster—
$65.30

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Description

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
A1/16"---1/16"3/16"
D---1/16"1/16"3/16"
E1.5mm---1.5mm1.75mm
F---1/16"1/16"5/32"
G1/16"---1/16"5/32"
H1.5mm---1.5mm3mm
I1.5mm---1.5mm2.5mm


Hastings
Type A Set with Moly Top Ring
Fits Knucklehead, Panhead 1955/1965 & Shovelhead 1966/1977
Displacement: 1200cc (74ci)
STD Bore Size: 3.438" (3 7/16") + .050"
Replaces HD# 22331-55B
By: HASTINGS MANUFACTURING COMPANY
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