Pacemaker | 1⅝" Tri-Y Performance Headers | VY Series II & WK Series II 5.7L LS1 | PH5367 L/R VY Series 2
Pacemaker Tri-Y Performance Headers - VY Series II / WK Series II 5.7L LS1 Gen III V8 - PH5367 L/R VY Series 2
Enhance the performance and sound of your Gen III V8 with the Pacemaker PH 5367 Tri-Y Performance Headers. Specifically engineered for the Holden VY Series II Commodore and WK Series II Statesman/Caprice, these headers are a vital upgrade for the 5.7 Litre LS1 engine. This specific kit includes the necessary Oxygen Sensor Wiring Loom Extensions required for the Series II electrical configuration. The Tri-Y design is optimized to increase exhaust scavenging, resulting in improved low-to-mid range torque and overall horsepower. Constructed with mandrel-bent 1⅝" (41mm) primary pipes and 1⅞" (48mm) secondaries, these headers ensure smooth, unrestricted exhaust flow. Whether your vehicle is a daily driver or a high-performance build, these Australian-made headers offer a precise bolt-on fit for both manual and automatic transmissions.
Features:
This product offers the following performance features:
- LS1 Optimized: Designed specifically for the 5.7 Litre Gen III LS1 V8 engine.
- Wiring Extensions Included: Comes with Oxygen Sensor wiring extensions required for VY Series II and WK Series II models.
- Modified Ready: Engineered to support modified engines and supercharged applications.
- Tri-Y Design: Pulse-matched design to maximize exhaust gas velocity and scavenging efficiency.
- Premium Build: Mandrel-bent 1⅝" (41mm) primary and 1⅞" (48mm) secondary pipes for superior flow.
- Full Clearance: Designed to maintain factory clearance for Power Steering and Air Conditioning.
| Feature | Value | Feature | Value |
|---|---|---|---|
| Part # | PH 5367 | Gasket | DSF 138 |
| Primary Pipe | 1⅝" (41mm) | Secondary Pipe | 1⅞" (48mm) |
| Outlet | 2½" (63mm) | Oxy Sensor | Yes |
| P/Steering | Yes | Fitting Time | 2½ Hrs |
Important Notes:
- Specific Fitment: This kit is specifically for VY Series II and WK Series II. If you have a VT-VY Series I, VZ, or 6.0L LS2 model, alternative part numbers are required.
- AWD Exclusion: This product will not fit All Wheel Drive (AWD) models (Adventra/Cross 8). Refer to PH 5366 for AWD applications.
- Modified Engines: Designed to accommodate supercharged or heavily modified LS1 applications.
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 | Commodore / Crewman / Monaro | 2003 | 2004 | Sedan / Ute / Coupe | VY Series II / V2 | 5.7L LS1 V8 | Manual & Automatic | RWD |
| Holden | Statesman / Caprice | 2003 | 2004 | Sedan | WK Series II | 5.7L LS1 V8 | Manual & Automatic | 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 | 1⅝" Tri-Y Performance Headers | VY Series II & WK Series II 5.7L LS1 | PH5367 L/R VY Series 2
Pacemaker | 1⅝" Tri-Y Performance Headers | VY Series II & WK Series II 5.7L LS1 | PH5367 L/R VY Series 2
Pacemaker Tri-Y Performance Headers - VY Series II / WK Series II 5.7L LS1 Gen III V8 - PH5367 L/R VY Series 2
Enhance the performance and sound of your Gen III V8 with the Pacemaker PH 5367 Tri-Y Performance Headers. Specifically engineered for the Holden VY Series II Commodore and WK Series II Statesman/Caprice, these headers are a vital upgrade for the 5.7 Litre LS1 engine. This specific kit includes the necessary Oxygen Sensor Wiring Loom Extensions required for the Series II electrical configuration. The Tri-Y design is optimized to increase exhaust scavenging, resulting in improved low-to-mid range torque and overall horsepower. Constructed with mandrel-bent 1⅝" (41mm) primary pipes and 1⅞" (48mm) secondaries, these headers ensure smooth, unrestricted exhaust flow. Whether your vehicle is a daily driver or a high-performance build, these Australian-made headers offer a precise bolt-on fit for both manual and automatic transmissions.
Features:
This product offers the following performance features:
- LS1 Optimized: Designed specifically for the 5.7 Litre Gen III LS1 V8 engine.
- Wiring Extensions Included: Comes with Oxygen Sensor wiring extensions required for VY Series II and WK Series II models.
- Modified Ready: Engineered to support modified engines and supercharged applications.
- Tri-Y Design: Pulse-matched design to maximize exhaust gas velocity and scavenging efficiency.
- Premium Build: Mandrel-bent 1⅝" (41mm) primary and 1⅞" (48mm) secondary pipes for superior flow.
- Full Clearance: Designed to maintain factory clearance for Power Steering and Air Conditioning.
| Feature | Value | Feature | Value |
|---|---|---|---|
| Part # | PH 5367 | Gasket | DSF 138 |
| Primary Pipe | 1⅝" (41mm) | Secondary Pipe | 1⅞" (48mm) |
| Outlet | 2½" (63mm) | Oxy Sensor | Yes |
| P/Steering | Yes | Fitting Time | 2½ Hrs |
Important Notes:
- Specific Fitment: This kit is specifically for VY Series II and WK Series II. If you have a VT-VY Series I, VZ, or 6.0L LS2 model, alternative part numbers are required.
- AWD Exclusion: This product will not fit All Wheel Drive (AWD) models (Adventra/Cross 8). Refer to PH 5366 for AWD applications.
- Modified Engines: Designed to accommodate supercharged or heavily modified LS1 applications.
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 | Commodore / Crewman / Monaro | 2003 | 2004 | Sedan / Ute / Coupe | VY Series II / V2 | 5.7L LS1 V8 | Manual & Automatic | RWD |
| Holden | Statesman / Caprice | 2003 | 2004 | Sedan | WK Series II | 5.7L LS1 V8 | Manual & Automatic | 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.
Original: $627.44
-65%$627.44
$219.60Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Pacemaker Tri-Y Performance Headers - VY Series II / WK Series II 5.7L LS1 Gen III V8 - PH5367 L/R VY Series 2
Enhance the performance and sound of your Gen III V8 with the Pacemaker PH 5367 Tri-Y Performance Headers. Specifically engineered for the Holden VY Series II Commodore and WK Series II Statesman/Caprice, these headers are a vital upgrade for the 5.7 Litre LS1 engine. This specific kit includes the necessary Oxygen Sensor Wiring Loom Extensions required for the Series II electrical configuration. The Tri-Y design is optimized to increase exhaust scavenging, resulting in improved low-to-mid range torque and overall horsepower. Constructed with mandrel-bent 1⅝" (41mm) primary pipes and 1⅞" (48mm) secondaries, these headers ensure smooth, unrestricted exhaust flow. Whether your vehicle is a daily driver or a high-performance build, these Australian-made headers offer a precise bolt-on fit for both manual and automatic transmissions.
Features:
This product offers the following performance features:
- LS1 Optimized: Designed specifically for the 5.7 Litre Gen III LS1 V8 engine.
- Wiring Extensions Included: Comes with Oxygen Sensor wiring extensions required for VY Series II and WK Series II models.
- Modified Ready: Engineered to support modified engines and supercharged applications.
- Tri-Y Design: Pulse-matched design to maximize exhaust gas velocity and scavenging efficiency.
- Premium Build: Mandrel-bent 1⅝" (41mm) primary and 1⅞" (48mm) secondary pipes for superior flow.
- Full Clearance: Designed to maintain factory clearance for Power Steering and Air Conditioning.
| Feature | Value | Feature | Value |
|---|---|---|---|
| Part # | PH 5367 | Gasket | DSF 138 |
| Primary Pipe | 1⅝" (41mm) | Secondary Pipe | 1⅞" (48mm) |
| Outlet | 2½" (63mm) | Oxy Sensor | Yes |
| P/Steering | Yes | Fitting Time | 2½ Hrs |
Important Notes:
- Specific Fitment: This kit is specifically for VY Series II and WK Series II. If you have a VT-VY Series I, VZ, or 6.0L LS2 model, alternative part numbers are required.
- AWD Exclusion: This product will not fit All Wheel Drive (AWD) models (Adventra/Cross 8). Refer to PH 5366 for AWD applications.
- Modified Engines: Designed to accommodate supercharged or heavily modified LS1 applications.
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 | Commodore / Crewman / Monaro | 2003 | 2004 | Sedan / Ute / Coupe | VY Series II / V2 | 5.7L LS1 V8 | Manual & Automatic | RWD |
| Holden | Statesman / Caprice | 2003 | 2004 | Sedan | WK Series II | 5.7L LS1 V8 | Manual & Automatic | 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.











