|Plug Number||Plug Type||Description|
|RHM40E-12||Massive Electrode||Champion Spark Plug|
In the early 1900s, small planes flew with single ignition systems powered by adapted automobile engines using Champion-brand automotive spark plugs. By the 1920s, the company had developed innovative spark plugs designed specifically for the aviation industry.
Champion Aerospace designs and manufactures Champion-brand piston-engine ignition components for both OEM and aftermarket for general aviation aircraft applications. Every spark plug manufactured has built-in design advantages that assure longer life and greater reliability.
* Shielded barrel thread size. Check barrel size - 5/8x24 or 3/4x20 threads before ordering and select proper plug number, See page 236 for Sparkplug Application Table.
** The "Iridium S" sparkplugs replace the Platinum and "W" Iridium types. Increased bore diameter improves scavenging action. Greater clearance volume can accept more combustion deposits. Single Iridium electrode offers greater resistance to lead attack. Easy to clean Easy to gap
Spark plugs are shipped in factory sealed plastic cases. Opened spark plug cases make the spark plugs non-returnable. Please do not open any spark plug until you are sure you have received the correct spark plugs for your application.
WARNING: The product may contain and/or expose you to a chemical(s) or substance(s) which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. www.P65Warnings.ca.gov
CHAMPION SPARK PLUG RHM40E (BOX OF 12)
This item always in stock...promptly shipped
The spark plugs arrived in perfect condition and my Pitts runs great!
Arrived promptly & packed well. Typical Champion Spark Plug.
It’s a spark plug. All cylinders fire, so I guess they work.
Thank you all for the quick and friendly service to help me with the Plugs. Was really in need of a new set. I will call you if I need any more parts for N32DQ. Have a Great Day. AKA: The Captain Morgan Ret.
consistent timely efficient and correct service everytime
Showed up quickly and in good shape
Should have changed them earlier - 15 years on the old ones, which tested good. Unfortunate that my last overhaul switched to REM from factory RHM, but Im sure someone would like a free set.
Please note, Aircraft Spruce'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 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.
These plugs use standard 18MM copper spark plug gaskets, part number 07-00877. One is included with each plug.
They can be used with standard magnetos.