5VZ 3.4L Manual Conversion Package for Toyota 88-95 R150 3.0L V6 Swap

Product Overview

Genuine Toyota Factory Clutch Kit and after-market flywheel designed specifically for 3.4L 5VZ-FE engine conversions using your original 1988-1995 3.0L R150 5-speed transmission. This complete conversion kit delivers maximum torque handling and ensures reliable performance when upgrading from 3VZ-E to 5VZ-FE engines. This factory Toyota clutch system provides the durability and precision engineering needed for aggressive driving and increased power output of the 3.4L V6 conversion.

OEM Part Numbers:

• CKT-040 (Aisin OEM Kit)
• 31230-60080 (Release Bearing)
• 13405-62030 (OEM Flywheel)
  
• 90105-10138 (Flywheel Bolt)

 

Key Features & Benefits

• Perfect Conversion Match: Engineered specifically for 3.4L 5VZ-FE engine swaps into 1988-1995 Toyota trucks and 4Runners
• Factory Toyota Quality: Genuine Toyota/Aisin components provide maximum durability and reliability
• Enhanced Performance: Handles increased torque output of 3.4L V6 with aggressive driving capability
• Complete Package: Includes aftermarket flywheel, pressure plate, clutch disc, release bearing, pilot bearing, and alignment tool
• Proven Reliability: Field-tested by 5VZ swap specialists for maximum longevity and performance

 

Technical Specifications

Part Type: Complete 3.4L Conversion Clutch Kit
Engine Compatibility: 5VZ-FE 3.4L V6
Transmission: R150 5-speed manual (1988-1995 3.0L applications)
Clutch Diameter: 9.5 inches (upgraded from 3.0L specification)
Torque Capacity: 1,200+ lb-ft (with proper installation)
Release Bearing: 3.0L application (31230-60080)

 

Fitment

Year Range	Toyota Model	Original Engine	Conversion Engine
1988-1995	Pickup/Truck	3.0L 3VZ-E V6	3.4L 5VZ-FE V6
1990-1995	4Runner	3.0L 3VZ-E V6	3.4L 5VZ-FE V6
1990-1995	Land Cruiser (select)	3.0L 3VZ-E V6	3.4L 5VZ-FE V6

Important: This kit is specifically designed for vehicles originally equipped with 3.0L 3VZ-E engines and R150 5-speed manual transmissions. Verify your transmission code before ordering. Not compatible with 3.4L R150F transmissions or automatic applications.

 

Installation & Maintenance

Installation Difficulty: Intermediate - Advanced
Tools Required: Complete engine swap tools, transmission jack, clutch alignment tool, torque wrench, engine hoist
Professional Installation: Recommended - requires engine removal and precise alignment procedures

 

Maintenance Tips:

• Surface flywheel to manufacturer specifications (.020"-.026" step height)
• Replace the rear main seal and transmission input shaft seal during installation
• Use proper clutch alignment procedures with the included tool for optimal performance
• Break-in period of 500 miles with moderate driving for optimal clutch bedding

 

Frequently Asked Questions

Q: What's included in the complete conversion kit?
A: Kit includes heavy-duty aftermarket flywheel, Toyota/Aisin pressure plate, clutch disc, release bearing (3.0L application), pilot bearing, clutch alignment tool, and all necessary hardware.

Q: Why use a 3.0L release bearing with 3.4L clutch components?
A: The original 1988-1995 R150 transmission uses a different bellhousing depth than later 3.4L applications. The 3.0L release bearing maintains proper hydraulic slave cylinder operation with the original transmission.

Q: Can this kit handle modified 5VZ-FE engines?
A: Yes, this factory Toyota clutch system is designed to handle the increased torque output and has been field-tested with modified 3.4L engines, including supercharged applications.

 

Related Toyota Parts You May Need

• 5VZ-FE Engine Conversion Wiring Harness - Required for proper ECU integration and engine management
• 3.4L Engine Mount Kit - Proper mounting hardware for secure 5VZ-FE installation
• R150 Transmission Rebuild Kit - Recommended during conversion for maximum reliability
• 5VZ-FE Exhaust Crossover Pipe - Required for proper exhaust routing with slave cylinder clearance

 

Common Symptoms of Original 3.0L Clutch Limitations

• Clutch slippage under acceleration with increased 3.4L torque output
• Premature clutch disc wear due to an undersized friction surface area
• Difficulty engaging gears under heavy load conditions
• Burning clutch smell during aggressive driving or towing
• Chattering or grabbing during clutch engagement

 

Why Choose Factory Toyota 3.4L Conversion Clutch Kit?

Proven 5VZ-FE Swap Solution: The 3.4L 5VZ-FE engine conversion has become the gold standard for Toyota truck and 4Runner performance upgrades, providing significant power and torque improvements over the original 3.0L 3VZ-E. However, the success of this conversion depends critically on using properly matched drivetrain components.

This factory Toyota clutch system represents the culmination of years of field testing and refinement by 5VZ swap specialists. Unlike generic aftermarket alternatives, this kit maintains the precise engagement characteristics and pedal feel that Toyota engineered into the original system, while providing the increased torque capacity needed for 3.4L power output.

The included aftermarket flywheel is specifically designed for optimal heat dissipation and surface area, ensuring consistent performance even under the most aggressive driving conditions. Combined with genuine Toyota/Aisin clutch components, this kit delivers the reliability and durability that made Toyota legendary.

Don't compromise your 3.4L conversion with inadequate clutch components. Invest in this proven factory Toyota solution and experience the full potential of your 5VZ-FE swap with confidence and reliability.