Pacemaker | Tri-Y Performance Headers | Toyota Landcruiser HJ45-75 4L 2H Diesel | PH12640 Kit
Pacemaker Tri-Y Performance Headers - Toyota Landcruiser HJ Series 4.0L 2H Diesel - PH12640 Kit
Unlock better breathing and improved torque for your classic Toyota diesel with these rugged Pacemaker Tri-Y performance headers. Specifically designed for the legendary 4.0 Litre 2H diesel engine found in the HJ45, HJ47, HJ60, and HJ75 Landcruiser series, these headers are engineered to optimize exhaust scavenging. By replacing the stock manifold, these headers reduce backpressure, allowing your engine to operate more efficiently, which is particularly beneficial for heavy towing and off-road work. Built with Pacemaker’s renowned quality, these headers are designed to endure the toughest Australian environments while providing a precise fit within the chassis.
Features:
This product offers the following performance features:
- Tri-Y Design: Specifically tuned to enhance low-to-mid range torque, ideal for the 2H diesel engine.
- Robust Pipe Sizing: Features 1⅝" (41mm) primary pipes and 1⅞" (48mm) secondary pipes for steady exhaust flow.
- Standard Outlet: Finished with a 2¼" (57mm) outlet for easy integration with your exhaust system.
- Durable Construction: High-quality materials designed to resist heat and vibration in 4WD applications.
- Accessory Friendly: Fully compatible with both Power Steering and Air Conditioning.
| Feature | Value | Feature | Value |
|---|---|---|---|
| Part # | PH 12640 | Gasket | DSF 53 |
| Primary Pipe | 1⅝" (41mm) | Secondary Pipe | 1⅞" (48mm) |
| P/Steering | Yes | Outlet | 2¼" (57mm) |
| Air Con | Yes | Fitting Time | 1½ Hrs |
Important Notes:
- Fitment Type: This kit is designed for "Inside Chassis" fitment.
- Transmission: Specifically designed for Manual transmission models.
Important Information
- The image shown may not reflect the actual product
- Shipping times may vary depending on destination and stock availability
Vehicle Applications:
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| Toyota | Landcruiser | 1980 | 1990 | Cab Chassis / Wagon | HJ45, HJ47, HJ60, HJ75 | 4.0L 2H Diesel | Manual Only | 4WD |
| Product | Warranty Period |
|---|---|
| Pacemaker Headers | Two (2) years. |
| Pacemaker King Brown 4x4 Exhaust systems | Five (5) years. |
| Pacemaker Sports exhaust systems | Five (5) years. |
| Fabrication products and accessories | One (1) year. |
Payment & Security:
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Pacemaker | Tri-Y Performance Headers | Toyota Landcruiser HJ45-75 4L 2H Diesel | PH12640 Kit
Pacemaker | Tri-Y Performance Headers | Toyota Landcruiser HJ45-75 4L 2H Diesel | PH12640 Kit
Pacemaker Tri-Y Performance Headers - Toyota Landcruiser HJ Series 4.0L 2H Diesel - PH12640 Kit
Unlock better breathing and improved torque for your classic Toyota diesel with these rugged Pacemaker Tri-Y performance headers. Specifically designed for the legendary 4.0 Litre 2H diesel engine found in the HJ45, HJ47, HJ60, and HJ75 Landcruiser series, these headers are engineered to optimize exhaust scavenging. By replacing the stock manifold, these headers reduce backpressure, allowing your engine to operate more efficiently, which is particularly beneficial for heavy towing and off-road work. Built with Pacemaker’s renowned quality, these headers are designed to endure the toughest Australian environments while providing a precise fit within the chassis.
Features:
This product offers the following performance features:
- Tri-Y Design: Specifically tuned to enhance low-to-mid range torque, ideal for the 2H diesel engine.
- Robust Pipe Sizing: Features 1⅝" (41mm) primary pipes and 1⅞" (48mm) secondary pipes for steady exhaust flow.
- Standard Outlet: Finished with a 2¼" (57mm) outlet for easy integration with your exhaust system.
- Durable Construction: High-quality materials designed to resist heat and vibration in 4WD applications.
- Accessory Friendly: Fully compatible with both Power Steering and Air Conditioning.
| Feature | Value | Feature | Value |
|---|---|---|---|
| Part # | PH 12640 | Gasket | DSF 53 |
| Primary Pipe | 1⅝" (41mm) | Secondary Pipe | 1⅞" (48mm) |
| P/Steering | Yes | Outlet | 2¼" (57mm) |
| Air Con | Yes | Fitting Time | 1½ Hrs |
Important Notes:
- Fitment Type: This kit is designed for "Inside Chassis" fitment.
- Transmission: Specifically designed for Manual transmission models.
Important Information
- The image shown may not reflect the actual product
- Shipping times may vary depending on destination and stock availability
Vehicle Applications:
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| Toyota | Landcruiser | 1980 | 1990 | Cab Chassis / Wagon | HJ45, HJ47, HJ60, HJ75 | 4.0L 2H Diesel | Manual Only | 4WD |
| Product | Warranty Period |
|---|---|
| Pacemaker Headers | Two (2) years. |
| Pacemaker King Brown 4x4 Exhaust systems | Five (5) years. |
| Pacemaker Sports exhaust systems | Five (5) years. |
| Fabrication products and accessories | One (1) year. |
Payment & Security:
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Pacemaker Tri-Y Performance Headers - Toyota Landcruiser HJ Series 4.0L 2H Diesel - PH12640 Kit
Unlock better breathing and improved torque for your classic Toyota diesel with these rugged Pacemaker Tri-Y performance headers. Specifically designed for the legendary 4.0 Litre 2H diesel engine found in the HJ45, HJ47, HJ60, and HJ75 Landcruiser series, these headers are engineered to optimize exhaust scavenging. By replacing the stock manifold, these headers reduce backpressure, allowing your engine to operate more efficiently, which is particularly beneficial for heavy towing and off-road work. Built with Pacemaker’s renowned quality, these headers are designed to endure the toughest Australian environments while providing a precise fit within the chassis.
Features:
This product offers the following performance features:
- Tri-Y Design: Specifically tuned to enhance low-to-mid range torque, ideal for the 2H diesel engine.
- Robust Pipe Sizing: Features 1⅝" (41mm) primary pipes and 1⅞" (48mm) secondary pipes for steady exhaust flow.
- Standard Outlet: Finished with a 2¼" (57mm) outlet for easy integration with your exhaust system.
- Durable Construction: High-quality materials designed to resist heat and vibration in 4WD applications.
- Accessory Friendly: Fully compatible with both Power Steering and Air Conditioning.
| Feature | Value | Feature | Value |
|---|---|---|---|
| Part # | PH 12640 | Gasket | DSF 53 |
| Primary Pipe | 1⅝" (41mm) | Secondary Pipe | 1⅞" (48mm) |
| P/Steering | Yes | Outlet | 2¼" (57mm) |
| Air Con | Yes | Fitting Time | 1½ Hrs |
Important Notes:
- Fitment Type: This kit is designed for "Inside Chassis" fitment.
- Transmission: Specifically designed for Manual transmission models.
Important Information
- The image shown may not reflect the actual product
- Shipping times may vary depending on destination and stock availability
Vehicle Applications:
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| Toyota | Landcruiser | 1980 | 1990 | Cab Chassis / Wagon | HJ45, HJ47, HJ60, HJ75 | 4.0L 2H Diesel | Manual Only | 4WD |
| Product | Warranty Period |
|---|---|
| Pacemaker Headers | Two (2) years. |
| Pacemaker King Brown 4x4 Exhaust systems | Five (5) years. |
| Pacemaker Sports exhaust systems | Five (5) years. |
| Fabrication products and accessories | One (1) year. |
Payment & Security:
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.











