1955-1957 Chevrolet Tri-Five A41 4L60E Automatic 4-Speed Conversion Kit | A41-CHEVY-5557

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Hawks Motorsports offers our clients this 1955-1957 Chevrolet Tri-Five A41 4L60E Automatic 4-Speed Conversion Kit | A41-CHEVY-5557. This builder-style transmission conversion kit upgrades classic Chevrolet Tri-Five vehicles with modern automatic overdrive performance, improved cruising capability, and electronically controlled shifting.

Vehicle Configuration Required

Transmission conversion kits are vehicle specific. Complete the Hawks Motorsports Transmission Conversion Request Form before ordering so our team can verify compatibility and confirm the correct components for your application.

Installation Notice: Verify engine combination, drivetrain configuration, and vehicle specifications before ordering. This is a basic builder's kit and cutting and/or fabrication may be required for installation.

Designed for 1955-1957 Chevrolet Tri-Five applications, this A41 4L60E Automatic 4-Speed Conversion Kit provides modern automatic transmission performance for Bel Air, 150, 210, and Nomad models. The A41 is an excellent upgrade for replacing older automatic transmissions with modern overdrive technology.

The A41 4L60E features a 3.06, 1.63, 1.00, and 0.70 gear ratio set, offering improved acceleration and approximately 30% reduction in cruising RPM compared to traditional transmissions. Available in three performance stages rated for 450, 550, and 650 lb-ft of torque.

The A41 transmission provides low RPM highway cruising, improved shift quality, dyno-tested performance, electronic control, and lockup torque converter capability with optional stall speeds. This kit is designed to provide modern drivability while maintaining classic vehicle performance.

The kit includes the A41 automatic transmission, COMPUSHIFT Sport controller, bellhousing, lockup torque converter, throttle position sensor, cooler lines, speedometer connection, wiring harness, slip yoke, reverse light wiring, and required installation hardware.

KEY FEATURES:

• A41 4L60E automatic 4-speed conversion kit for 1955-1957 Chevrolet Tri-Five vehicles
• Fits Chevrolet Bel Air, 150, 210, and Nomad models
• Available in Stage 1, Stage 2, and Stage 3 torque capacities
• Stage 1: 450 lb-ft capacity
• Stage 2: 550 lb-ft capacity
• Stage 3: 650 lb-ft capacity
• A41 gear ratios: 3.06, 1.63, 1.00, 0.70
• Low RPM highway cruising
• Improved shift quality
• Dyno-tested transmission performance
• Electronic transmission controller included
• Lockup torque converter with optional stall speeds
• No tunnel cutting design
• Replaces older 904, 727, 518, Powerglide, TH350, TH400, 200R4, and 700R4 transmissions
• COMPUSHIFT Sport transmission controller included
• Smartphone, tablet, and computer programming capability
• Bluetooth connectivity and CAN bus integration
• Fully adjustable shift speeds, shift feel, and torque converter clutch control
• Plug-and-play wiring harness
• OEM-style dipstick and tube
• Electronically controlled lockup torque converter
• Throttle position sensor included
• Mechanical speedometer cable connection
• High-strength grade 8 installation hardware
• Reverse light wiring included
• Slip yoke included
• IP65-rated water and dust-resistant COMPUSHIFT controller

FITMENT APPLICATIONS

Verify fitment before ordering. Engine combination, drivetrain configuration, transmission setup, and required components must be confirmed before purchase.

INSTALLATION NOTES:

• Complete the Hawks Motorsports Transmission Conversion Request Form before ordering.
• This is a basic builder's kit and fabrication may be required for installation.
• Verify engine compatibility and drivetrain configuration before purchase.
• Additional components may be required depending on vehicle setup.
• Professional installation is recommended for drivetrain modifications.
• Installed or modified components may not be eligible for return. Confirm application details before installation.