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Oil Restrictors & Crank Collars

KiwiRS4T
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KiwiRS4T Grand Master

KiwiRS4T

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Top quality NZ made CNC manufactured Oil restrictors for oil supply regulation in RB engines. Available as blank, 1.0mm, 1.2mm and 1.5mm.

SAU price AU$10 each (Ebay price $15ea). P&P $5 to any street address in Australia or free postage with purchase of 2 or more.

Also Top quality brand new crankshaft collar for RB oil pump drives delivered complete with grub screws. These are an exclusive design made to the most exacting standards by CNC process to protect your OEM or aftermarket oil pump and have been proven by top engine builders with high powered street, drag, drift, circuit racing and jet boat motors. SAU price $80 (listed on Ebay at $99). Free postage to any street address in Australia.

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KiwiRS4T Grand Master

KiwiRS4T

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Can you give me very accurate measurements of the O.D. of the drive flats and the O.D. of the round section of the collar.

Thanks

I don't have a micrometer but with a vernier I get 43.7mm and 40.7mm( I have contacted the manufacturer for confirmation. These have sold for years in NZ but I have just started offering them on Ebay.com.au and SAU)

KiwiRS4T Grand Master

KiwiRS4T

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Ok, these are too dmall to use with Reimax gears.

No they are not. These collars are the same dimensions as the Jun collars and have been used with all kinds of pumps. Reimax do not say their gears are not suitable for the standard crank or crank collar. It is possible that they are made to a different cold tolerance because of the type and mass of the materials from which they are made but when hot will be correct.

Your machinist should know how to obtain an interference fit but the guidelines are 0.05-0.10mm interference fit.

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