Circle D – 4L60/65/70 Pro Series Single Disk Converter
Rated 5 out of 5 based on 1 customer rating
(1 customer review)
$1,199.00
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Three diameters are available for the 4L60 Pro Series Single Disk.
245mm is good for lighter cars and big NA setups.
258mm is great for heavy cars and smaller trucks, bigger power setups, or more of a high performance street build.
265mm is for a really big power setup or large heavy trucks.
(Most converters are built-to-order; current lead time is around 3-4 weeks)
Description
Three diameters are available for the 4L60 Pro Series Single Disk.
245mm is good for lighter cars and big NA setups.
258mm is great for heavy cars and smaller trucks, bigger power setups, or more of a high performance street build.
265mm is for a really big power setup or large heavy trucks.
Questions & Answers (6)
Customer questions & answers
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Will a 245mm 3600-3800 torque converter work with a 03 ext cab silverado with cammed lq4, and 4:10 gears?
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Q Will a 245mm 3600-3800 torque converter work with a 03 ext cab silverado with cammed lq4, and 4:1...... Read more answer nowAsked by Alan on August 18, 2025 1:01 pmA We would recommend the 265mm for truck applications.
Would the 245mm C1 converter make a good choice for a daily driver..20% city driving, 80% highway driving Vehicle is a 2006 Pontiac GTO with 4L65E.. plan to do PRC ls3 top end, GPI SS3 cam, 1-7/8 LT, XS performance 112mm intake w/ 112 TB, 3:46 rear gear.. Should make around 490-525rhwp (streetcar)
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Q Would the 245mm C1 converter make a good choice for a daily driver..20% city driving, 80% highway...... Read more answer nowAsked by Troy on August 8, 2025 1:50 pmA The SS3 cam is going to want at least a 3c 3500-3700. That cam is pretty rowdy in a 6.0, plus adding the LS3 style top end. That would be the minimal. Optimal would be the 5c 4000-4200 from a performance stand point, if chasing a 60ft time or certain ET.
Will this converter work with a 1996 Yukon 4x4 with a 4L60E
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Q Will this converter work with a 1996 Yukon 4x4 with a 4L60E answer nowAsked by Jesse Mendoza on December 18, 2024 6:07 pmA Yes
I have a 99 LQ4 Iron block I would like to put into a 4L65e. Can you make this happen?
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Q I have a 99 LQ4 Iron block I would like to put into a 4L65e. Can you make this happen? answer nowAsked by Mike green on May 6, 2024 9:20 pmA Yes you can mate that trans to that block
Will the 245 3c work on a 1999 c5 4l60e automatic corvette convertible with 3.42 gears? I plan to do a tsp 228r cam, 243 heads, and headers and tune of course
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Q Will the 245 3c work on a 1999 c5 4l60e automatic corvette convertible with 3.42 gears? I plan to...... Read more answer nowAsked by Otoniel on December 9, 2023 8:19 pmA Yes that converter will work
Would this be a good converter for a single turbo Silverado single cab short bed 2wd 4l60e. looking to make around 650-700 wheel hp
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Q Would this be a good converter for a single turbo Silverado single cab short bed 2wd 4l60e. looki...... Read more answer nowAsked by Shane on November 12, 2023 12:52 pmA I would opt for the multi disc for your application and contacting Circle D for what stall speed and diameter converter they'd recommend for your application
It works great!!! Highly recommend