Great Plains Single Mag Adapter Kit
This kit installs on the back of the engine around the rear seal area. The kit contains the magneto housing, flywheel end piece, male mag drive piece, female mag drive puck and miscellaneous hardware. The flywheel end piece is made from steel and has 3 different positions available for the mag drive piece to attach to. It is drilled for 2 crankshaft dowel pins and can be drilled for 4 or 8 if needed. The mag housing is drilled with 4 each #21 holes that are used as drill guides to drill the holes in the engine case. The engine case is then tapped with a 10/32 tap. Total distance back from the back of the engine case, to the back of the mag harness cap is approximately 8.5". Used in aircraft with no electrical system; engine is started by propping. Fisher Youngster and Avenger are good examples of use for this product. The housing is 5 /18 inches wide and 2 1/2 inches long.
Magneto Housing Adapter Kit	$239.95
Drill end piece for 8 dowel crank	$19.95
Replacement mag drive puck	$29.95

Great Plains X-Casting Kit
Great Plains X Casting Kit is designed for the individual that wants electric starting but does want an alternator and engine vibration isolation and dampening. This X casting fit the dimensions found on the Sonerai I, II and II Stretch plans. It features the X casting which is cast aluminum, a steel flywheel end piece, mag drive piece, floating mag drive puck, 20 amp alternator and miscellaneous installation hardware. From the engine case to the back of the magneto harness cap is about 9.00". The X casting features the same 20 amp alternator found in the Diehl accessory case and comes complete with a combination regulator/rectifier unit. You will also need a set of 8 each 71032 Lycoming bushings for engine dampening. The flywheel end piece can be purchased separately for builders using a Vertex mag or 009 distributor.	Great Plains X - Casting Kit $469.80
Replacement Parts:
X - Casting	$139.95
Flywheel Piece	$89.95
Mag Drive	$69.95
20 Amp alternator	$169.95
71032 Bushings	$31.95
NOTE: When replacing an Aero V X-Casting with a GPASC X-Casting in a sonerai, the Intake "Y" will require modification by builder.

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To place an order: Call us at 1-800-922-6507 (US Only)
Questions at 1-402-493-6507
Fax us at 402-493-3846.
Inquiries can also be directed to:
gpasc@earthlink.net