GM

(TH400, TH350, 200-4R, 700R4, 4L80E, 4L60E, Powerglide)

 

Sinister Speed Torque Converters Feature

*Custom Designed Configurations in 10.5″, 9.5″ and 8.5″ Converters
*Precision Robotic Welding
*Computer Balancing
*Pressure Testing
*Torrington Bearings
*Custom Reinforced Turbine Hub
*Double Nitrous/Balloon Plates
*New Hub
*100% Furnace Brazed (Pictures on Home Page)
*Billet Front Cover
*Hardened Turbine Spline
*Mechanical Diode (available upon request)
*Spragless (available upon request)

9.5″ Pictured Below

GM 9.5"

GM 9.5″

GM 9.5" Billet Cover

GM 9.5″ Billet Cover

8.5″ Pictured Below

8.5" Powerglide

GM MECHANICAL DIODE

GM MECHANICAL DIODE

PRICING

10.5″ with Steel Bladed Stator, Spragless with Billet Cover and Balloon Plate = $1250

9.5″ Aluminum Bladed Stator, Heavy Duty Sprag with Billet Cover and Balloon Plate = $850

8.5″ with Aluminum Blade Stator, Heavy Duty Sprag with Billet Cover and Balloon Plate = $850

Add Mechanical Diode to the 9.5″ or 8.5″ = $1100
*If you’re a Street/Strip car making upto 1000hp we recommend upgrading to a Mechanical Diode and Balloon Plate Converter.

Add Spragless Stator and Balloon Plate = $1050
*If you’re mainly a Drag Car consider a Spragless Stator with Balloon Plate Converter

* Torque Converters Do Not Require A Core

* Email Us Your Combo Specs at sinisterspeed@hotmail.com