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Pacemaker | 1⅝" Tri-Y Performance Headers | VY Series II & WK Series II 5.7L LS1 | PH5367 L/R VY Series 2

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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.
Product Specifications for PH 5367
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
Warranty Information
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.

$219.60

Original: $627.44

-65%
Pacemaker | 1⅝" Tri-Y Performance Headers | VY Series II & WK Series II 5.7L LS1 | PH5367 L/R VY Series 2

$627.44

$219.60

Product Information

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.
Product Specifications for PH 5367
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
Warranty Information
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.