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Product Summary

Brinn, 2-Speed Transmission Speeds

  • IMCA Approved for Stock Car, Modified, and Late Model classes
  • Eliminates clutch assembly and throw-out bearing assembly
  • Input and output shafts are gundrilled for reduced weight
  • Measures 6" long and has a 27 tooth output shaft spline that will accept any length yoke
  • A superior dog clutch design provides the most durability and the smoothest shifting available

Comes as a Kit

Key Specs

MFG. Part #70001
BrandBrinn
Transmission Speeds2-Speed

Need To Know

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Details

We keep this Brinn Racing Transmissions in stock. With the low rotating weight, internal clutch and smooth shifting, they are hard to beat. Bolts in place of stock GM transmissions. Crank drive flange not included.

  • IMCA approved for Stock Car, Modified, and Late Model classes
  • The input and output shafts are gundrilled for reduced weight
  • Superior dog clutch design provides the most durability and the smoothest shifting available
  • Low cost - eliminates clutch assembly and throwout bearing assembly
  • Dog clutch and detent design eliminate the need for special shifters
  • Six inch long, 27 tooth output shaft spline that will accept any length yoke
  • SAE 10 tooth input shaft spline
  • Feed line is 1/8"-27 NPT (fitting not included)
  • Low gear ratio: 1.88:1
  • Reverse gear ratio: 2.29:1
  • Shafts and gears are cryogenically treated


Order 22070041 for a Brinn Transmission Rebuild Kit.
  

Item Details

Standard with Aluminum Case

Specifications

KEY SPECS
MFG. Part #70001
BrandBrinn
Transmission Speeds2-Speed
GENERAL
Input Shaft Spline Count10
Output Shaft Spline Count27
Bellhousing IncludedNo
Yoke IncludedNo
Shifter IncludedNo
Case MaterialAluminum
Gear Ratio (Low)1.88:1
Gear Ratio (Reverse)2.29:1
Notes1-3/8"-10 spline input shaft. 1-3/16"-27 spline output shaft.
Sold in QuantityEach