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Home / Engine Parts / Superior Replacement Parts / Continental Replacement Parts / Cylinder Parts and Assemblies / TSIO-520 /Superior MS90725-12 Bolt
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Superior MS90725-12 Bolt

12 Reviews 2 Answered Questions
$0.88/Piece
Price Includes GST
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Part# 08-10874
MFR Model# MS90725-12
Vendor Part NumberQuantityDescriptionPart Number
MS90725-122Bolt08-10874

Overview

Uniform hardness all the way through the steel barrel walls which allows the barrel to provide even wear while withstanding extreme cylinder temperatures and pressures.

Exhaust and intake ports are volumetrically matched to maximum output and performance.

Increased port wall thickness - eliminates problems with warping and cracking.

Computer-generated head fin configuration - deliver more uniform heat transfer and fewer "hot" spots.

Manufactured from the most advanced alloys available - exceed industry standard for strength and porosity.

+ Included with stud assembly.

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Reviews

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Like a glove and what I needed to button up the motor OH.

Bruce G Verified Purchase

Superior MS90725-12 Bolt
August 29, 2023

No distinguishable difference between this seal and the higher priced TCM seal. Works great would buy again.

Ned S
May 21, 2021

Works as advertised! Fast shipping

Ron G
November 30, 2020

Product received as expected fits well, good performance

Noel
September 17, 2020

very helpful staff

Todd S
August 3, 2020

Great product

Matthew B
May 22, 2020

they are all flat and round lol

Dwain H
March 7, 2020

The Roto Coil Was Well Made and fit correctly

John R
July 20, 2019

Superior products are...Superior

Gerald W
December 31, 2018

Very high quality replacement hose and I much appreciate the speed of delivery

Donald G
September 16, 2018

Q&A

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Please note, Aircraft Spruce Australia's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Australia assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: What is the difference between 630979-9 and SA630979-9 ? If it is a matter of manufacturer, then does the maker of SA630979-9 have PMA with TCM?

Yes, the difference is the manufacturer. Yes, the manufacturer of SA30979-9 has FAA-PMA approval as a replacement for 630979-9.

Q: Does the Stud Assembly PN : 08-11100 include the complete kit such as cylinder, valves, piston and rings, gaskets etc?

Yes that is correct.

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