Product Description:
Free Quote Form
Hawks Motorsports offers our clients this 1963-1972 Chevrolet GMC C-Series Pickup A41 4L60E 4-Speed Automatic Conversion Kit | C-SERIES-A41-6372. Designed for classic truck owners looking to improve drivability, reliability, and highway performance, this Silver Sport Transmissions PerfectFit™ automatic conversion kit combines modern overdrive technology with a proven GM transmission platform.
The A41 4L60E 4-Speed Automatic Transmission provides smooth shifting, lower cruising RPM, and improved acceleration compared to older automatic transmissions. This kit is an excellent upgrade for replacing outdated transmissions such as the Powerglide, TH350, TH400, 200R4, or 700R4 with modern electronically controlled overdrive performance.
Available in multiple power levels, the A41 kit allows builders to select the correct transmission strength for their application. Complete the Hawks Motorsports transmission conversion quote form before ordering so our team can verify your vehicle configuration and ensure the correct components are selected for your build.
FEATURES:
- Fits 1963-1972 Chevrolet and GMC C-Series Pickup Trucks
- A41 4L60E 4-Speed Automatic Transmission
- GM 4L60E / 4L65E aftermarket replacement transmission
- Available in three performance stages:
- Stage 1 - 450 lb-ft torque capacity
- Stage 2 - 550 lb-ft torque capacity
- Stage 3 - 650 lb-ft torque capacity
- Gear Ratios: 3.06 / 1.63 / 1.00 / 0.70
- Low RPM highway cruising
- Improved shift quality
- Dyno tested
- Electronic transmission controller included
- Lockup torque converter with optional stall speeds
- No tunnel cutting required
- Approximately 30% reduction in cruising RPM compared to non-overdrive transmissions
KIT INCLUDES:
- A41 Automatic Transmission
- COMPUSHIFT Sport Transmission Controller
- OEM-style dipstick and tube
- Auxiliary oil cooler (included with Stage 2 and Stage 3, optional for Stage 1)
- Bellhousing
- Electronically controlled lockup torque converter
- Throttle Position Sensor
- Rubber cooler lines
- Mechanical speedometer cable connection
- High-strength Grade 8 hardware
- Plug-and-play wiring harness
- Inspection cover
- Slip yoke
- Reverse light wiring
COMPUSHIFT SPORT CONTROLLER FEATURES:
- Plug-and-play OEM connectors for supported transmissions
- Bluetooth smartphone, tablet, PC, and Mac integration
- Fully adjustable shift speeds, shift feel, and torque converter clutch control
- Adjustable speedometer calibration output
- Compatible with many factory and aftermarket engine controllers
- No wire splicing required
- Upgradeable software through Bluetooth
- Industry-standard diagnostic trouble codes
- IP65-rated water and dust protection
WHY UPGRADE TO AN A41 4L60E AUTOMATIC?
The A41 4L60E is the perfect solution for classic Chevrolet and GMC truck owners wanting modern automatic transmission performance without sacrificing reliability. The overdrive fourth gear reduces highway RPM, improves fuel economy, and provides a more comfortable driving experience for cruising, road trips, and daily use.
FITMENT:
| Year | Make | Model |
|---|---|---|
| 1963-1972 | Chevrolet | C-Series Pickup |
| 1963-1972 | GMC | C-Series Pickup |
INSTALLATION NOTES:
- Vehicle-specific conversion kit; verify drivetrain configuration before ordering.
- This is a builder-style kit; cutting and/or fabrication may be required depending on application.
- Additional components may be required depending on engine and chassis configuration.
- Professional installation is recommended.
