GENERAL MOTORS TURBO 400 HIGH PERFORMANCE AND RACE TRANSMISSIONS

Stage 1 - Street and Strip Vehicles up to 700 HP

• High energy clutches utilized in all locations
• Heavy duty case snap ring
• New low/reverse band
• Heavy duty intermediate band
• Heavy duty 4L80-E direct drum
• 34 element intermediate sprag
• Heavy duty spiral sprag retainer lock ring
• Heat treated sprag race
• Internal components and case are machined to allow Torrington bearings in all critical locations
• All plastic washers upgraded to sintered bronze replacements
• All critical support bushings are replaced
• Heat treated stator support
• New precision clearanced pump gearset
• New high performance pressure regulator boost valve
• Heavy duty pressure regulator spring
• Revised lube circuit
• Recalibrated manual/automatic valve body
• High flow filter
• Factory style deep pan w/ magnet
• Full manual valve body - Reverse pattern PRN123 Add $175
• Full manual valve body - Forward pattern PRN321 Add $175
• Transbrake valve body - Full tree Add $350

Price: $1250


Stage II - Drag Race Vehicles up to 1200 HP

• Includes all Stage 1 features
• Clutch packs upgraded to: 4 intermediate clutches, 6 direct clutches, 5 forward clutches
• Raybestos Blue Plate Special clutches utilized in all locations
• Upgraded extreme duty center support
• Aftermarket steel alloy forward clutch hub
• Steel alloy input shaft and machined forward drum
• 300M intermediate shaft
• Transbrake valve body - Full tree
• Aftermarket deep aluminum pan
• Aluminum direct clutch drum Add $675
• "Pro Tree" fluid release transbrake valve body Add $125
• Aftermarket planetary, 2.10 first, 1.40 second Add $1400

Price: $2300


Additional Accessories:

• SFI Approved Transmission Shield, $140
• SFI Approved Flexplate Shield, $60
• Locking Dipstick, $60

*All TH400 Transmissions carry a $175 core charge if a rebuildable transmission is not provided for us to use as the starting point.

GM TH400 and Powerglide Torque Converters
IPT has the following converter types available:
12" Diameter Heavy Duty, Off Road and 4X4
10" Diameter Street and Strip
8" Diameter Race

Due to the almost limitless configurations and stall speed options, please call us to discuss your particular requirements.

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