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Performance GM TH350 or Dual Pattern TH400 Torque Converters

Price: $99.99 - $219.99
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Races are won or lost at the starting line, so make sure you come out ahead with a High Performance Torque Converter. Whether you are looking for a street, strip, racing, or just plain heavy duty converter, these units will deliver lasting performance in your GM TH350 or TH400. With features like welded internals, oversized bearings, and hardened hubs, you can rest assured that these torque converters are of the highest quality possible. Made in the U.S.A.

All stall ranges will vary depending on the engine setup, vehicle weight, and gear ratios.

Note: These converters will work with TH400 transmissions only if a dual bolt pattern flywheel is used.

Instructions (PDF)

  • Hardened Hub
    • Increased durability through the allowance of tighter tolerances and clean fit with transmission seals
  • Welded Impeller
    • Stronger pump fins to maintain stall speed over the life of the converter
  • Heavy-Duty Stators
    • Heat treated fins, sprag and race designed to efficiently handle high power loads
    • Stator fins are formed, not cut - cut stators can cause severe slippage
    • Rapidly dissipates heat - more power to the wheels
  • Welded Turbines
    • Pre-stressed before welding - more rigid construction
    • Heat treated splines
  • Aluminum Spacers
    • Incorporates aircraft quality aluminum spacers which handle higher loads than fiber spacers found in standard converters
  • Oversized Bearings
    • High strength stamped bearings absorb shock and extreme abuse better than standard waffle bearings
  • High Tech Welds
    • Positive-charged, military grade MIG welds for complete fusion of the metal
  1. All advertised stall ranges will vary depending on your engine's setup and the weight of your vehicle. If your car is heavier than the recommendation, the stall speed will be higher. If the car is lighter, stall speed will be at a lower RPM.
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Questions and Answers for Item #: 109600

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3 Questions | 3 Answers
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Q:

Will this fit a pontiac 400

Asked on 7/29/2011 2:20:03 PM by rick from

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Q:

What size torque converter bolts does this torque converter item#109600 require to bolt up to the flex plate?

Asked on 8/28/2011 1:58:52 PM by from

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Q:

is this a 10 inch or 12 inch conv.

Asked on 9/21/2011 11:45:41 PM by rick from

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2000-2200 Stall TH350 Converter
Price:
$99.99
EA
In Stock
Item #:
109602
Item Details:
Near stock mildly modified S/B or B/B cars with 300 ft lbs torque, weighing 3200-3800 lbs.
 
(2 Ratings)
  Show Specifications
  • 109602
    Diameter
    12.000"
    Weight
    30.550
    Hardware Included
    No
    Material Type
    Steel
    Torque Converter Bolt Circle
    10.750
    Finish
    Painted
    Sold in Quantity
    Each
    Notes
    Near stock mildly modified SB or BB cars with 300 ft.Lbs. of torque weighing about 3200 to 3800lbs. For a TH350 transmissions or TH400 with dual bolt pattern flywheel only. Uses 3/8"-16 flexplate bolt
2200-2600 Stall TH350 Converter
Price:
$129.99
EA
In Stock
Item #:
109600
Item Details:
Near stock mildly modified S/B or B/B cars with 300 ft lbs torque, weighing 3200-3800 lbs.
Makes use of 3/8-16" bolts.
 
(0 Rating)
  Show Specifications
  • 109600
    Diameter
    12.500" (12 1/2")
    Weight
    30.400
    Hardware Included
    No
    Material Type
    Steel
    Finish
    Painted
    Sold in Quantity
    Each
    Notes
    For stock or lightly modified SB or BB cars with 300 ft. lbs of torque weighing 3200 - 3800 lbs. TH350 or dual bolt pattern flywheels on TH400 transmissions. Needs 3/8"-16 flexplate bolts.
2700-3000 Stall TH350 Converter
Price:
$189.99
EA
In Stock
Item #:
109601
Item Details:
Mildly modified S/B or B/B cars with high rise dual plane intake with 300-400 ft lbs torque, weighing 2900-3400 lbs, cam adv lift about .500" with 3.55-3.73 gears
These make use of 3/8-16" bolts.
 
(0 Rating)
  Show Specifications
  • 109601
    Diameter
    10.000"
    Weight
    20.700
    Hardware Included
    No
    Material Type
    Steel
    Finish
    Painted
    Sold in Quantity
    Each
    Notes
    Use 3/8-16" bolts (not included).
3200-3500 Stall TH350 Converter
Price:
$199.99
EA
In Stock
Item #:
109603
Item Details:
Modified S/B or B/B cars with single or dual plane intake, 400+ hp, weighing 2800-3200 lbs, cam adv lift over .500" with 3.73-4.56 gears
These make use of 3/8-16"" bolts.
 
(0 Rating)
3500+ Stall TH350 Converter
Price:
$219.99
EA
In Stock
Item #:
109604
Item Details:
Modified S/B or B/B cars with single plane intake, 400+ hp, weighing 2400-3200 lbs, cam adv lift over .500" with 3.73-4.56 gears, or lighter vehicles not as modified.
These make use of 7/16" bolts.
 
(1 Rating)