Circle D GM 252mm Pro Series PG/350/400 Torque Converter
Product details
This is our most durable and adjustable option for the high hp street/track cars. Designed for use in 800+HP, this converter is the perfect match for your big power turbo, blower, or nitrous engine. Features include:
- Billet Front Cover
- Multiple Bolt Pattern Front Cover
- Screw On Pilot (universal bolt pattern)
- Custom Bolt Pattern Options Available
- Anti-Balloon Plates on Pump and Turbine
- CNC Machined Steel Stator For Maximum Adjustability
- Spragless or Mechanical Diode One Way Clutch
- Furnace Brazed and Hand TIG Welded Fins
Ordering and production
Estimated lead time: 7–8 weeks before shipment. This includes Circle D's current production estimate plus additional time for specification review, order surges and the third-party handoff. It is an estimate, not a guaranteed delivery date.
SMGspeed may contact you after checkout to confirm the vehicle, transmission, engine combination, power level, power adder, intended use and requested stall before submitting the build.
Core notice: Some factory-core applications require a usable customer core. Any selection labeled CORE REQUIRED is priced with that requirement. Core freight, missing cores or unusable cores may create additional charges. SMGspeed will confirm any core requirement before production.
Custom made-to-order item: Review all selections carefully. Changes or cancellation may not be possible after production begins.