Twisted Pro™ 200-4R Performance Overdrive Conversion Package
Rated 500–550 HP
Performance Street • Classic GM • G-Bodies • Restomods • Street Rods
Converting a TH350, TH400, Powerglide or other GM 3-speed to overdrive?
The Twisted Pro™ 200-4R Conversion Package combines our 500–550 HP Pro transmission, 1800–2100 RPM lock-up converter, and the major parts needed to complete the conversion.
The Pro steps up from our Street build with increased direct and overdrive clutch capacity, TransGo HD2-A calibration, upgraded band and servo apply, and a 10-vane performance pump.
NEW 1800–2100 RPM Lock-Up Torque Converter Included.
🔧 TWISTED PRO™ 200-4R BUILD
HIGH-ENERGY CLUTCH PACKAGE
- Premium high-energy friction clutches
- New performance steels
- Increased-capacity direct clutch pack
- Dual-fed direct clutch
- Clutch clearances set during assembly
3-CLUTCH OVERDRIVE
- 3-clutch OD conversion
- Modified/replacement OD piston and clutch stack
- 3 high-energy OD frictions
- Matching steels
- OD clutch clearance set during assembly
TRANSGO 200-4R-HD2-A REPROGRAMMING KIT
Every Pro receives a TransGo 200-4R-HD2-A Reprogramming Kit.
- Dual-feed 3rd/direct circuit
- Billet 2nd servo piston
- Performance accumulator calibration
- Separator plate/orifice calibration
- Full automatic operation retained
CHOOSE YOUR SHIFT FEEL
Mild • Medium • Firm • Wild
Specific WOT automatic shift RPM can also be requested. Governor calibration is performed when required for the requested shift point.
INTERMEDIATE BAND & SERVO
- Wide high-energy intermediate band
- TransGo billet 2nd servo piston
- Servo travel set during assembly
- Band clearance checked and set
- Direct drum band surface inspected
10-VANE PERFORMANCE PUMP
- 10-vane pump configuration
- Hardened pump rings
- New pump bushing
- Updated pump slide spring
- Pump slide and pivot inspected
- Pump vanes inspected/replaced as required
- Rotor and pump pocket inspected
- Pump clearances set
TV / PRESSURE SYSTEM
- .471/.472 performance TV boost setup
- .500 boost setup used on higher-torque applications when required
- Pressure regulator valve and bore inspected
- Sonnax oversized PR repair used when bore wear requires correction
HARDENED STATOR SUPPORT
- Hardened / heat-treated stator support
- Stator splines and pump components inspected during assembly
VALVE BODY
- Completely disassembled and cleaned
- TransGo HD2-A calibration
- Valve and bore wear inspected
- TV circuit inspected
- Accumulator circuits inspected
- TCC circuit inspected
- Checkballs and separator plate inspected
- Sonnax wear-correction components installed where required
FACTORY HARD PARTS
- OE forward drum and shaft inspected
- OE input shaft inspected
- Front and rear planetaries inspected
- OD carrier and ring gear inspected
- Sun shell inspected
- Sprags and roller clutches inspected
- Worn or damaged hard parts replaced
COMPLETE OVERHAUL
- Complete bushing kit
- New sealing rings
- New lip seals
- New gaskets and seals
- New filter
- Bearings and thrust components inspected/replaced as required
- Endplay checked and set
- Air checked during assembly
- Line pressure checked
- Final pressure test before shipping
🔒 1800–2100 RPM LOCK-UP CONVERTER INCLUDED
Includes a NEW 1800–2100 RPM lock-up torque converter.
Higher-stall options are available for combinations that require them.
📦 PRO OVERDRIVE CONVERSION PACKAGE
Along with the Pro transmission and converter, the package includes the major components needed for a 200-4R conversion.
PACKAGE INCLUDES
✔ Twisted Pro™ 200-4R Transmission
✔ NEW 1800–2100 RPM Lock-Up Torque Converter
✔ Edelbrock or Holley TV Geometry Correction Kit
Application dependent
✔ NEW GM TV Cable
✔ 4th-Gear Lock-Up Wiring Kit
✔ Speedometer Gear Package
✔ GM Transmission Mount
✔ Dust Cover
✔ Dipstick & Tube
✔ Throttle Cable Bracket
✔ Torque Converter Bolts
✔ Hayden 1402 Transmission Cooler
✔ Two Cans of Cooler Kleen Flush
⚠️ TV CABLE & THROTTLE GEOMETRY
The TV cable is not a kickdown cable.
Correct TV cable geometry and adjustment are required on a 200-4R. The conversion package includes the TV cable and the appropriate Edelbrock or Holley geometry correction components for the application.
BUILT TO ORDER
Please provide:
- Year / Make / Model
- Engine combination
- Estimated horsepower
- Rear gear ratio
- Rear tire size
- Vehicle weight, if known
- Carburetor or EFI
- Naturally aspirated or power adder
- Cam / operating RPM range, if known
- Shift feel: Mild / Medium / Firm / Wild
- Desired WOT shift RPM, if applicable
GM MULTI-PATTERN BELLHOUSING
The factory 200-4R multi-pattern case fits many:
- Chevrolet
- Buick
- Oldsmobile
- Pontiac
Fitment and conversion requirements must be verified before ordering.
200-4R GEAR RATIOS
1st: 2.74
2nd: 1.57
3rd: 1.00
4th: 0.67 Overdrive
COMMON APPLICATIONS
- Small Block Chevy
- Big Block Chevy
- LS Swaps
- Buick Grand National
- Monte Carlo SS
- Malibu
- El Camino
- Cutlass / 442
- Regal
- GTO / LeMans
- Firebird
- G-Bodies
- Classic GM Muscle Cars
- Street Rods
- Restomods
NEED MORE POWER?
💀 Twisted Punisher™ 200-4R
Rated 550–650 HP
The Punisher adds upgraded hard parts and additional clutch and hydraulic capacity for higher-torque street and street/strip combinations.
☠️ Twisted Executioner™ 200-4R
Our highest-level 200-4R for applications requiring billet hard parts and competition-level upgrades.