Pacemaker | Tri-Y Headers | Holden Commodore VB-VS LS1 LS2 LS3 Engine Swap | PH5345-3 L/R
Pacemaker Tri-Y Headers - Holden Commodore VB-VS LS Engine Swap - PH5345-3 L/R
Simplify your high-performance engine conversion with these specialized Pacemaker Tri-Y headers. Purpose-built for LS1 (Gen III), LS2, and LS3 (Gen IV) engine swaps into VB through VS Commodore models, these headers provide the essential clearance and flow required for 5.7L to 6.2L powerplants. Note: Designed specifically for use with Manual Steering Racks and Power Steering K-frames in VB-VK models.
Features:
This product offers the following high-performance features:
- Large 3" (76mm) Outlet: Optimized for high-displacement LS engines, ensuring maximum exhaust flow and reduced backpressure.
- Engine Swap Integration: Precision-engineered to fit the tight engine bays of early Commodores while accommodating the LS engine block.
- Tri-Y Design: Balance of low-end torque and high-end power, making it perfect for performance street builds and cruisers.
| Feature | Value | Feature | Value |
|---|---|---|---|
| Part # | PH 5345-3 | Gasket | DSF 138 |
| P/Steering | Yes | Primary Pipe | 1¾" (44mm) |
| Air Con | Yes | Secondary Pipe | 2" (51mm) |
| Oxy Sen | Yes | Outlet | 3" (76mm) |
| E.G.R | N/A | Y Branch | N/A |
| Fitting Time | 5 Hrs | Design | Tri-Y |
Important Notes:
- VB-VK Commodore with Manual Steering Rack and Power Steering K-frame Only.
- To guarantee fitment, we recommend using "Tuff Mount" engine mounts, crossmember, and starter motor relocation kits.
- Specifically for LS Engine conversions (LS1, LS2, LS3).
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 |
|---|---|---|---|---|---|---|---|---|
| HOLDEN | ||||||||
| Holden | Commodore | 1978 | 1997 | Sedan / Wagon / Ute | VB, VC, VH, VK, VL, VN, VP, VR, VS | 5.7L, 6.0L, 6.2L LS V8 | Manual & Auto | RWD |
| 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 Headers | Holden Commodore VB-VS LS1 LS2 LS3 Engine Swap | PH5345-3 L/R
Pacemaker | Tri-Y Headers | Holden Commodore VB-VS LS1 LS2 LS3 Engine Swap | PH5345-3 L/R
Pacemaker Tri-Y Headers - Holden Commodore VB-VS LS Engine Swap - PH5345-3 L/R
Simplify your high-performance engine conversion with these specialized Pacemaker Tri-Y headers. Purpose-built for LS1 (Gen III), LS2, and LS3 (Gen IV) engine swaps into VB through VS Commodore models, these headers provide the essential clearance and flow required for 5.7L to 6.2L powerplants. Note: Designed specifically for use with Manual Steering Racks and Power Steering K-frames in VB-VK models.
Features:
This product offers the following high-performance features:
- Large 3" (76mm) Outlet: Optimized for high-displacement LS engines, ensuring maximum exhaust flow and reduced backpressure.
- Engine Swap Integration: Precision-engineered to fit the tight engine bays of early Commodores while accommodating the LS engine block.
- Tri-Y Design: Balance of low-end torque and high-end power, making it perfect for performance street builds and cruisers.
| Feature | Value | Feature | Value |
|---|---|---|---|
| Part # | PH 5345-3 | Gasket | DSF 138 |
| P/Steering | Yes | Primary Pipe | 1¾" (44mm) |
| Air Con | Yes | Secondary Pipe | 2" (51mm) |
| Oxy Sen | Yes | Outlet | 3" (76mm) |
| E.G.R | N/A | Y Branch | N/A |
| Fitting Time | 5 Hrs | Design | Tri-Y |
Important Notes:
- VB-VK Commodore with Manual Steering Rack and Power Steering K-frame Only.
- To guarantee fitment, we recommend using "Tuff Mount" engine mounts, crossmember, and starter motor relocation kits.
- Specifically for LS Engine conversions (LS1, LS2, LS3).
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 |
|---|---|---|---|---|---|---|---|---|
| HOLDEN | ||||||||
| Holden | Commodore | 1978 | 1997 | Sedan / Wagon / Ute | VB, VC, VH, VK, VL, VN, VP, VR, VS | 5.7L, 6.0L, 6.2L LS V8 | Manual & Auto | RWD |
| 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 Headers - Holden Commodore VB-VS LS Engine Swap - PH5345-3 L/R
Simplify your high-performance engine conversion with these specialized Pacemaker Tri-Y headers. Purpose-built for LS1 (Gen III), LS2, and LS3 (Gen IV) engine swaps into VB through VS Commodore models, these headers provide the essential clearance and flow required for 5.7L to 6.2L powerplants. Note: Designed specifically for use with Manual Steering Racks and Power Steering K-frames in VB-VK models.
Features:
This product offers the following high-performance features:
- Large 3" (76mm) Outlet: Optimized for high-displacement LS engines, ensuring maximum exhaust flow and reduced backpressure.
- Engine Swap Integration: Precision-engineered to fit the tight engine bays of early Commodores while accommodating the LS engine block.
- Tri-Y Design: Balance of low-end torque and high-end power, making it perfect for performance street builds and cruisers.
| Feature | Value | Feature | Value |
|---|---|---|---|
| Part # | PH 5345-3 | Gasket | DSF 138 |
| P/Steering | Yes | Primary Pipe | 1¾" (44mm) |
| Air Con | Yes | Secondary Pipe | 2" (51mm) |
| Oxy Sen | Yes | Outlet | 3" (76mm) |
| E.G.R | N/A | Y Branch | N/A |
| Fitting Time | 5 Hrs | Design | Tri-Y |
Important Notes:
- VB-VK Commodore with Manual Steering Rack and Power Steering K-frame Only.
- To guarantee fitment, we recommend using "Tuff Mount" engine mounts, crossmember, and starter motor relocation kits.
- Specifically for LS Engine conversions (LS1, LS2, LS3).
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 |
|---|---|---|---|---|---|---|---|---|
| HOLDEN | ||||||||
| Holden | Commodore | 1978 | 1997 | Sedan / Wagon / Ute | VB, VC, VH, VK, VL, VN, VP, VR, VS | 5.7L, 6.0L, 6.2L LS V8 | Manual & Auto | RWD |
| 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.











