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What a crank-scraper is and other technical info... Some comments on our products...
Alfa-Romeo, AMC, BMC, BMW, Buick, Buick-Rover, Cadillac, Chevrolet, Chrysler/Mopar, Datsun-Nissan, Fiat-Lancia, Ford, GM, Honda/Acura, IHC, Jaguar, Lotus, Mazda, Mercedes, MGA/MGB, Mitsubishi, Oldsmobile, Opel, Pontiac, Porsche, Renault, SAAB, Studebaker, Suzuki-Geo, Toyota, Triumph, VW, Volvo

We can provide plastic templates for initial fitting and adjustment. Plastic templates cost $100 and are a separate charge from the scraper pattern chosen.

We have included some representative pictures of the scrapers we make.  If you would like to see a picture of a particular scraper please ask -- we would be more than happy to send one through.

When available (please enquire) our zero-clearance Teflon® scrapers run an additional $130.00 to the cost of the standard steel scraper unless noted.

Remember, your vehicle may have an engine made by a different manufacturer so check both product lines.  If you are still unsure, please contact us.


TR2-TR4A reinforced dual scraper with optional windage tray and optional pan baffles for either the steel stock pan or alloy aftermarket pans (many variations; please enquire).  Includes a 20 gauge shim that can welded to the scraper to bring clearances arbitrarily close.

Stock reinforced dual scraper $169.95  (add $130 for Teflon bladed version)


Below: cross brace in place; the windage tray replaces this piece if chosen


Below: example of a Teflon bladed scraper with tray for an aftermarket crankshaft with dummy mains.  Note that the windage tray includes a 1-2, 3-4 cylinder bay segregation baffle for improving cylinder pumping exchange patterns. 

Directional screening windage tray $149.95 (additional layers available for aftermarket or stock alloy pans)

Below: example of additional layer

Pan baffle for stock steel tray $69.95

Below: examples of early baffle design (now reinforced with X brace)

Pan baffle for alloy pan $99.95 and up

One example below; please note that most alloy pans have interiors with subtly different contours.  Ideally they should be sent to us for fitment.

Modified stock steel pan core (you supply core): 309.95   Includes dual trap doors and secondary oil drain.  This should be used in combination with one of our windage trays.  Pickup seen in pan is available below for $99.95

Specially modified scraper and windage trays to work with strapped center cap and studs.  Also curved extensions added to bottom tray. These work with the modified pan above.

Note: if you use the modification below please let us know for fitment purposes

Here is a suggestion for modifying the TR2-TR4A oil pickup tubes -- click here

Kas Kastner has written a new book on Triumphs.  Kas was head of the US Triumph racing effort and certainly knows his cars!

Copyright 2002-2019 © All rights are reserved on our product designs -- a great deal of hard work goes into each one.

Teflon® is a registered trade mark of E.I. du Pont de Nemours and Company. Only DuPont makes Teflon® resin sourced by Ishihara-Johnson Crank Scrapers from authorized DuPont licensees.

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Jean-Claude 1919-2003
A good friend.