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3Katz

Torque convertor bolt size

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Would anyone be able to tell me the bolt size that connects the flex plate to a BTR t/c? I'm running a Yella Terra flex plate and have the ARP crank bolts and would like the ARP t/c bolts as well. 

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good job on finding out :spoton:  not many people are going to go around recording the size, pitch and length of bolts when you just say "oi, Mr Manufacturer Of Bolts, can I get some torque converter bolts for X Y make model"

 

what was the source of your information, if you don't mind me asking?

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Yes that's right, I spoke to Yella Terra and they get asked the same question regularly but don't have a part number available... I guess barras aren't too common in the States yet which is why they don't have a barra specific kit. The flex plate to crank bolts my engine builder supplied are a Toyota 1.8L part number so I tried them in a spare t/c and they happen to be perfect for the 5mm yella terra plate. I'll edit my second post as I'm not sure what thickness the stock plate is. If it's any thinner I would go with a uhl of. 75". The worst part is they aren't available separately and as I only need 2 it's a bit of an expensive exercise.... 

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For searchers BA BTR

Stock bolt size 10x1.25 17mm

Stock flexplate 2mm thick

Suitable ARP replacement for stock flexplate 10x1.25 .75" UHL pn 171-2801 (19mm)

Yella Terra flexplate 5mm thick ARP 10x1.25 .875" UHL pn 103-2802 (22MM)

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