SKU: 34899919122

Pacemaker | Tri-Y Performance Headers | Holden VT-VY WH-WK V2 Gen III LS1 5.7L | PH5367 L/R VT-VY SERIES 1

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Description

Pacemaker | Tri-Y Performance Headers | Holden VT-VY WH-WK V2 Gen III LS1 5.7L | PH5367 L/R VT-VY SERIES 1Pacemaker Tri Y Performance Headers Holden VT VY Series 1 & WH WK Series 1 Gen III LS1 PH5367 L R Upgrade your Gen III LS1 with the industry leading Pacemaker Tri Y headers. Precision engineered for Holden Commodore VT Series II through to VY Series I, as well as WH WK Statesman and V2 Monaro, these headers are designed to unlock significant torque and horsepower gains. The Tri Y design is the perfect choice for street performance, modified engines,

Pacemaker Tri-Y Performance Headers - Holden VT-VY Series 1 & WH-WK Series 1 Gen III LS1 - PH5367 L/R

Upgrade your Gen III LS1 with the industry-leading Pacemaker Tri-Y headers. Precision-engineered for Holden Commodore VT Series II through to VY Series I, as well as WH/WK Statesman and V2 Monaro, these headers are designed to unlock significant torque and horsepower gains. The Tri-Y design is the perfect choice for street-performance, modified engines, and supercharged applications, providing superior exhaust scavenging and a crisp V8 note.

Features:

This product offers the following high-performance features:

  • Tri-Y Header Design: Optimized to deliver a massive boost in mid-range torque and overall engine efficiency.
  • High-Performance Construction: Features 1⅝" (41mm) primary pipes and 1⅞" (48mm) secondary pipes leading to a 2½" (63mm) outlet.
  • Enhanced Compatibility: Engineered for both naturally aspirated modified engines and supercharged setups.
  • Clearance & Fitment: Designed to clear Power Steering and Air Conditioning systems while fitting both Manual and Automatic transmissions.
Product Specifications for PH5367 L/R
Feature Value Feature Value
Part # PH 5367 Gasket DSF 138
P/Steering Yes Primary Pipe 1⅝" (41mm)
Air Con Yes Secondary Pipe 1⅞" (48mm)
Oxy Sen Yes Outlet 2½" (63mm)
Fitting Time 2½ Hrs Design TRI-Y

Important Notes:

  • O2 Sensor Extensions: This kit does NOT include Oxygen Sensor Wiring Loom Extensions. These are required for VY Series II, VZ, WK Series II, and WL models.
  • Fitment Warning: Will NOT fit All Wheel Drive (AWD) models (Adventra or Cross 8). Refer to PH 5366 for AWD applications.
  • Series Compatibility: Specifically for VT-VY Series 1 and WH-WK Series 1. Later series require specific kits with extensions.

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 / Calais 1999 2004 Sedan / Wagon / Ute VT II, VX, VU, VY (S1) 5.7L Gen III LS1 Manual & Auto RWD
Holden Statesman / Caprice 1999 2004 Sedan WH, WK (Series 1) 5.7L Gen III LS1 Manual & Auto RWD
Holden Monaro 2001 2004 Coupe V2 5.7L Gen III LS1 Manual & Auto 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.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 34899919122

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stephanie
Lake Worth, US
★★★★★ 5
Excellent Summer Workbooks - Keeps Kids Engaged and Ready
Format: Paperback
These workbooks have been an absolute lifesaver for keeping my kids on track over the summer! I was looking for a resource that would help them retain what they learned and prepare for the next school year without feeling like a chore, and these deliver perfectly. What I particularly love is how well **organized they are by days**. This structure eliminates any guesswork and makes it incredibly easy to assign manageable chunks of work each day, which helps to **keep my kids consistently on track**. There's no overwhelm, just steady progress. The content is engaging, and it genuinely seems to reinforce key concepts in a fun way. We've had **absolutely no complaints** from the kids, which is a huge win for any summer learning material! I highly recommend these workbooks for any parent looking for a structured and effective way to bridge the academic gap during the summer break.
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Reviewed in the United States on May 28, 2025
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Calista Ho
West Palm Beach, US
★★★★★ 5
Fun for my Kindergarteners!
Format: Paperback
This activity book is a fantastic, age-appropriate resource that makes summer learning both fun and effective for Kindergarteners transitioning to 1st grade! The pages are thoughtfully designed with easy-to-follow activities that keep young minds engaged while reinforcing essential skills. The addition of flashcards, stickers, and eBooks takes the learning experience to the next level, making practice feel like playtime. One of my favorite features is the encouragement of hands-on learning and movement through exciting fitness challenges—because learning shouldn't just be about worksheets! It turns what could be a boring review into an adventure filled with creativity and energy. This workbook truly helps bridge the summer gap while keeping kids motivated and excited for the next school year. A must-have for any little learner’s summer routine!
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Reviewed in the United States on March 19, 2025
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Brittany Skinner
Pawtucket, US
★★★★★ 5
Recommend
Format: Paperback
Has been a great learning book
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Reviewed in the United States on February 11, 2026
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Anna Lauren Page
Los Angeles, US
★★★★★ 4
Teacher approved
Format: Paperback
Great review book to help bridge the learning between Kindergarten and 1st grade. Teacher approved!
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Reviewed in the United States on May 25, 2025
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Brittany Stephens
Battle Creek, US
★★★★★ 5
Best
Format: Paperback
Best summer workbooks! Simple and quick for a summer day! They love getting the stickers to show they completed the page!
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Reviewed in the United States on June 1, 2026

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