The A41 4L60E 4-Speed Automatic PerfectFit™ Kit for A-Body

The A41 4L60E 4-Speed Automatic Transmission

A41 4L60E Ratio: 3.06, 1.63, 1.00, 0.70

Available in three stages:
Stage 1 - 450 Torque
Stage 2 - 550 Torque
Stage 3 - 650 Torque

Features:

• Low RPM Cruising
• Great Shift Quality
• Dyno Tested
• Stand Alone Electronic Controller
• Lockup Torque Converter with Optional Stall Speeds
• No Tunnel Cutting 

 

The A41 4L60E is an excellent way to replace your tired 904, 727, 518, Powerglide, TH350 (Turbo 350), TH400 (Turbo 400), 200R4 (200-4R), or 700R4 with modern technology that offers better acceleration and a 30% reduction in cruising rpm.
 

Each PerfectFit™ Kit comes with the correct components for your application and will include the following parts:

Driveshafts are no longer included in your order but may be purchased separately.

1. Automatic Transmission - A41 (GM 4L60E / GM 4L65E Aftermarket replacement)
2. COMPUSHIFT Sport Controller
3. Dipstick and Tube - OEM Style
4. Auxiliary Oil Cooler - High performance for Stages 2 and 3 only, Optional purchase for Stage 1 kits
5. Bellhousing 
6. Lock Up Torque Converter - Electronically controlled, stall options available 
7. Throttle Position Sensor - Bolt-on unit provides throttle feedback to the computer with just 3 wires
8. Pre-Bent Steel Cooler Lines - Replaces factory lines (64-66 Rubber Cooler Lines)
9. Flex Plate - SFI Approved
10. Crossmember* - Heavy-duty formed steel, powder-coated
11. Rubber Isolator* - Heavy-duty isolator to minimize vibration
12. Speedometer Cable - Mechanical Speedo Cable
13. Hardware - High strength grade 8 fasteners standard
14. Wiring - Plug & Play wiring harness
15. Inspection Cover
16. Driveshaft* - High-strength computer balanced with sealed u-joints & slip yoke (64-66 Slip Yoke Only)
17. Reverse Light Wiring

COMPUSHIFT Sport

The COMPUSHIFT Sport is the next generation of transmission controllers.

• All the connectors - The COMPUSHIFT Sport transmission controller looms come with a full set of Plug and Play OEM Connectors for all supported transmissions - making installation effortless.
• Smart Phone Integration - COMPUSHIFT Sport brings you the first-ever smartphone-integrated transmission controller. This makes programming dead easy – allowing programming via Android or iOS smartphones, tablets, PCs, and Macs. Connectivity includes both Bluetooth and dual independent CAN bus networks. All software is included.
• Fully Customize Your Transmission - Get full and precise control of the shifting strategy for your transmission. COMPUSHIFT Sport and Pro are delivered with versatile factory-set programming for a wide variety of transmission and engine combinations. However, you can completely customize settings to your exact specifications.

COMPUSHIFT Sport Technical Specifications

Smart Phone / Tablet / Computer Integration:

• COMPUSHIFT Sport brings you the first-ever smartphone-integrated transmission controller. This makes programming dead easy – allowing programming via Android or iOS smartphones, tablets, PCs, and Macs. Connectivity includes both Bluetooth and dual independent CAN bus networks. All software is included.

Control:

• Get full and precise control of the shifting strategy for your transmission. COMPUSHIFT Sport and Pro are delivered with versatile factory-set programming for a wide variety of transmission and engine combinations. However, you can completely customize settings to your exact specifications.
• Fully adjustable shift speeds, shift feel, and torque converter clutch control.
• Provides adjustable output for speedometer calibration.

Compatibility:

• COMPUSHIFT has the capability of communicating with many different factory and aftermarket engine controllers for quick plug-and-play setup. No wire splicing is required.
• Uses industry-standard trouble codes

Ease of Setup:

• All The Connectors - The COMPUSHIFT Sport transmission controller looms come with a full set of Plug and Play OEM Connectors for all supported transmissions - making installation effortless.
• COMPUSHIFT software is upgradeable in the field via Bluetooth. Updates are available via Google Play, Kindle, and the Apple App Store.
• Two full sets of calibration modes that can be selected by button or app.
• Transfer case switch input for shift/speedometer calibration in low range / 4WD vehicles.

Durability:

• Highly Water and Dust Proof - IP65 Rated