Reproduction Parts For Sale
We have started the reproduction of some of the parts needed to restore Quicksilver racing lower units. We hope to be able to furnish enough parts to be able to totally restore your unit. Following is a listing of the parts we have made or are in the process of manufacturing. These parts are built just like factory original parts. The aluminium parts are made from 6061T6 marine grade stock.
These parts are for the Mercury Mark 20H, Mark 30H and Mark 55H. The A/B parts will also work on the Mercury KG4H, KG7H, KG4Q and the KG7Q.
To order parts email, call or mail a request to the information listed on our Contact page. Most shipping will cost around $5.00 for the first item and one dollar for each additional item ordered.
All purchases delivered or picked up in Florida are subject to a sales tax of 6.5%.
D Driveshafts are now available for the Mercury Mark 55H
There are three versions available, the standard Mark 55H, a second in the standard length with five (5) inches if crankshaft splines and the third that is two (2) inches longer which can be cut down to any length for use with a coupler. The standard length with the longer splines can be cut off up to four (4) inches so a coupler does not have to be used for a shorter shaft length. All of the shafts are made like the originals including heat treating in the bearing area.
Prices Standard length Summer special $250.00
Longer length $225.00
Standard with longer splines Summer Special $260.00
Shipping to USA address including insurance is $30.00
Recoil rope, Original style cloth wrapped with galvanized steel core wire. Dyed wine color like original.
5.5' with metal anchor pin $14.95
Bushed Propshaft Cone Nut 21875A1
This is and exact reporduction of the cone nut used on the KG4Q and KG7Q racing lower unit. A new Oillite bushing has been installed that will fit the OEM propshaft.
21875A1 A/B Bushed cone nut $45.00

A-20902 A/B/C Propshaft Cone Nut $35.00
A-21590 D Propshaft Cone Nut $40.00
46-20905 A/B/C Water Pump Cover (Bearing carrier) $30.00
46-21587 D Water Pump Cover (Bearing Carrier) $35.00
(shown with seals and bearings installed for an additional charge)
Seals and bearings for either Carrier installed for an additional $80.00
46-21892 D Water Pump Cartridge $65.00
Seal installed in cartridge for an additional $9.50
Water Pump "L" Ring used behind the cartridge
12-21890 D Water Pump L Ring $ 10.95
Mark 20H Conversion Gasket Set,
Mercury Part Numbers 27-29508, 27-29509, 27-29502, 27-29504 $20.00
27-20531 Mark 20H, KG7H & KG4H Cylinder Block Cover Gasket $ 5.00
27-20536 Mark 20H, KG7H & KG4H Cyl Block to Manifold Gasket $ 5.00
27-21173 KG4 & 7,KE7,KF7,KH7,MK 15 & 20 Gasket, Cyl Block to Crank Case $7.50
27-20030 KG4H, KG7H, MK 20H, MK 30H, MK 55H
Single Transfer Port Gasket $ 1.75 each four for $ 5.00
1962-1967 Speedliner Decals $ 40.00 set
90-26116 Mark 20H Parts list $ 8.00
Instructions, Mark 20H Conversion, 16:21 Gears & Tiliston Carburetor $ 5.00 Each
Harry Brinkman's manual on how to modify your Mercury for more horsepower is being published by Aeroliner Race Boats, LLC. This is Manual number 2 first published in 1994 by Harry Brinkman. We hope to be able to read through Harry's notes and incorporate them into an updated version some time in furture. But until then this treatise is the best of the best knowledge on this subject.
Price $ 39.95