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Product Summary

TH350, Three Number of Gears, Torque Converter Included

  • This Speedway exclusive 3-speed Chevy Turbo 350 Street Rod crate transmission package comes dyno tested to ensure quality and performance
  • 2200-2300 stall torque converter is included and will accommodate performance camshafts
  • Heavy duty Raybestos clutches, new bushings, seals, and rebuilt pump ensure long trouble free operation
  • Valve body is modified including a performance regulator spring to deliver quick, firm, positive shifts
  • A chrome transmission pan is installed cap off build
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Key Specs

MFG. Part #57435012
BrandSpeedway Motors
Yoke StyleSlip On
Flexplate IncludedNo
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Need To Know

Truck Shipment

Truck shipments must be pre-paid with a credit card, certified check or money order

Quick and Easy Returns

Return Policy

Speedway Motors 57435012 Details

Exclusive 3-speed Chevy Turbo 350 Street Rod crate transmission package from Speedway Motors. Each TH350 automatic transmission is dyno tested to ensure quality and performance.   Supports up to 450 HP

  • Torque Converter
    • 2200-2300 stall speed (400-600 RPM over stock)
    • Fully balanced and tested
  • Valve Body
    • New separator plate
    • Performance regulator spring
  • Washers/Bushings
    • New washer set
    • Extra wide direct drum bushing
    • All critical gear train bushings replaced
    • Sunshell bushings
    • Front hub bushings
  • Clutches/Band
    • High performance kick down band
    • Heavy duty Raybestos clutch kit
    • Treated steels
  • Other features:
    • Rebuilt front pump
    • Chrome transmission pan
    • New vacuum modulator
    • 27-spline output shaft
  • Additional Information:
    • Does not include drive gear adapter and retainer as applications may vary
    • For cable driven speedometer we recommend Driver Gear adapter and Retainer Part 5741201
    • Acutal speedometer drive gear sold seperately based on color and tooth count required per application

Backed by a 1 year warranty.

Performance torque converters are generally grouped by size (diameter) and stall speed (RPM). As the diameter of a torque converter decreases, the stall speed goes up. Most factory torque converters are 12-13 inches in diameter and have a stall speed of 1600-1800 RPM. Problems can arise when modifications are done to the fuel system, camshaft, or other engine control systems. Smaller diameter converters are needed to provide more slip at idle. This allows engines with a lot of camshaft to idle better. As the torque converter and horsepower range is moved higher in the RPM range, small torque converters with their higher stall speeds provide maximum torque multiplication where it's needed. Also, the same torque converter will react differently when used behind different engines.

Performance torque converters are generally grouped by size (diameter) and stall speed (RPM). As the diameter of a torque converter decreases, the stall speed goes up. Most factory torque converters are 12-13 inches in diameter and have a stall speed of 1600-1800 RPM. Problems can arise when modifications are done to the fuel system, camshaft, or other engine control systems. Smaller diameter converters are needed to provide more slip at idle. This allows engines with a lot of camshaft to idle better. As the torque converter and horsepower range is moved higher in the RPM range, small torque converters with their higher stall speeds provide maximum torque multiplication where it's needed. Also, the same torque converter will react differently when used behind different engines.

Warranty Information

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ALL WARRANTY CLAIMS MUST BE HANDLED DIRECTLY WITH THE MANUFACTURER (PERFORMANCE AUTOMATIC) - SPEEDWAY MOTORS IS UNABLE TO DO ANY TROUBLESHOOTING, PROVIDE TECHNICAL INFORMATION, OR ASSIST WITH WARRANTY CLAIMS IN ANY WAY.

THE WARRANTY CARD PROVIDED WITH THE SHIPMENT (ALSO ATTACHED BELOW) MUST BE FILLED OUT AND SUBMITTED TO PERFORMANCE AUTOMATIC WITHIN 30 DAYS OF PURCHASE IN ORDER TO BE ELIGIBLE FOR WARRANTY CONSIDERATION.

Performance Automatic 1-Year Warranty Card (PDF)

Speedway Motors 57435012 Specifications

KEY SPECS
MFG. Part #57435012
BrandSpeedway Motors
Yoke StyleSlip On
Flexplate IncludedNo
GENERAL
Number of GearsThree
Torque Converter IncludedYes
Advertised Flash Stall Rating2,200-2,300 RPM
Transmission Pan MaterialSteel
Transmission Pan FinishChrome
Sold in QuantityEach
NotesDoes not include shifter arm jam nut, requires 3/8"-24 nut

Ratings & Reviews

5

3 Reviews

Overall Assessment

Customers have expressed great satisfaction with our product's performance and value for money. Evidently suitable for a range of models, such as a 32 Ford coupe and a 37/28/34 rat rod, the transmission demonstrates versatility. High practicality is suggested through its successful installation behind a 380hp SBC 350. Users note its seamless functionality upon replacement of existing transmissions, highlighting its reliability. As such, recommendations for repeat purchases underscore its superior quality compared to alternatives.

5

3 reviews

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This is a great product for the money

5.0

4 years ago

Chuckie Seven

East Texas

Verified

I'm installing this transmission in a 32 Ford coupe behind a 380 hp SBC 350.

Would Recommend

I would purchase again

5.0

4 years ago

Ron

Sedro woolley Wa

Verified

very happy thanks

Would Recommend

Works great

5.0

6 years ago

Kman

Miami. Fl

Verified

Replaced tire transmission in my 37/28/34 rat rod.

Would Recommend

Showing 3 of 3 reviews