Description
This Circle D HP Series 258 mm. torque converter is an excellent choice for your CT5-V Blackwing with 10L90 transmission! These converters are based off the original factory design paired with Circle D’s CNC’ed billet stator and impeller modifications. Stall speed ranges from 3,200 to 3,400 rpm, which is approximately 600 rpm higher than stock. These are designed to work flawlessly with aftermarket camshafts. They retain all TCC lockup features, so your streetability and light throttle cruising fuel economy should not change.
- Hand TIG Welding Throughout
- Impeller Fin Recalibration
- Custom CDS Internal Clearances
- Torrington Style Bearings
Made in U.S.A.! 
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