Product Description:
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Hawks Motorsports offers our clients this 1965-1967 GM X-Body A41 4L60E 4-Speed Automatic Conversion Kit | GMXBODY-A41-6567. Designed for Chevrolet Chevy II and Acadian X-Body applications, this PerfectFit™ kit brings modern automatic transmission technology to your classic vehicle with improved cruising performance, electronic control, and increased drivability.
The A41 4L60E 4-speed automatic transmission is an excellent upgrade for replacing older transmissions such as the Powerglide, TH350, TH400, 700R4, and other outdated automatic units. With overdrive capability, lockup torque converter technology, and reduced cruising RPM, the A41 delivers better acceleration, smoother operation, and a more enjoyable driving experience.
This A41 Essentials Kit is designed for builders who are comfortable completing some fabrication or installation modifications as needed. It includes the essential components required for the conversion while allowing flexibility for custom crossmember and drivetrain configurations.
Vehicle Applications:
| Make | Model | Year Range |
|---|---|---|
| Chevrolet | Chevy II / Nova | 1965-1967 |
| Acadian | Acadian | 1965-1967 |
A41 4L60E Transmission Features:
- A41 4L60E 4-Speed Automatic Transmission
- Gear Ratios: 3.06, 1.63, 1.00, 0.70
- Available performance stages:
- Stage 1 - Rated for 450 lb-ft torque
- Stage 2 - Rated for 550 lb-ft torque
- Stage 3 - Rated for 650 lb-ft torque
- Low RPM highway cruising
- Improved shift quality
- Dyno tested performance
- Electronic transmission controller
- Lockup torque converter with optional stall speeds
- No tunnel cutting required
- Approximately 30% reduction in cruising RPM
Kit Components:
- A41 Automatic Transmission (GM 4L60E / GM 4L65E aftermarket replacement)
- COMPUSHIFT Controller
- OEM-style dipstick and tube
- Auxiliary oil cooler (required for Stage 2 and Stage 3, optional for Stage 1)
- Bellhousing
- Electronically controlled lockup torque converter
- Throttle position sensor with 3-wire connection
- Braided steel cooler lines
- Mechanical speedometer cable
- High-strength Grade 8 hardware
- Plug-and-play wiring harness
- Inspection cover
- Slip yoke
- Reverse light wiring
COMPUSHIFT Controller Features:
- Plug-and-play OEM-style connectors
- Bluetooth smartphone, tablet, and computer integration
- Compatible with Android, iOS, PC, and Mac devices
- Fully adjustable shift points, shift feel, and torque converter clutch control
- Speedometer calibration adjustment
- Compatible with factory and aftermarket engine controllers
- No wire splicing required
- Industry-standard trouble codes
- Upgradeable software through Bluetooth
- IP65-rated water and dust protection
Installation Notes:
- Designed specifically for 1965-1967 GM X-Body applications.
- This Essentials Kit is intended for builders who can fabricate or modify supporting components as needed.
- Driveshaft availability varies by application; verify included components before ordering.
- Professional installation is recommended for drivetrain modifications.
- Confirm engine combination and vehicle configuration before purchase.