Pacemaker | 1⅝" Tri-Y Performance Headers | VY Series II & WK Series II 5.7L LS1 | PH5367 L/R VY Series 2
SKU: 93508654631

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

Sale price$544.68 Regular price$605.20
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Description

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

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.

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: 93508654631

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Verified Purchase
jennifer Millage
New York, US
★★★★★ 5
Extremely hard and durable
Color: Blue
These are very hard , but my puppy lives them and my large dog can't tear them up, so that is a huge plus.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
J
Verified Purchase
Jazzlyn McClure
Houston, US
★★★★★ 5
Large breed approved
Color: Blue
these incredible aggressive chew toys – they've seriously been a game-changer for my pups! I know it's a bit late, but better late than never, right? I've got a couple of power chewers at home, a Rottweiler and a Labrador, and anyone with big dogs knows the struggle of finding toys that actually last. These bad boys have been in constant rotation for over a year now, and I'm genuinely impressed by their resilience. They're incredibly tough! Funnily enough, we originally had three, but now we're down to just one. The others aren't broken, though – I'm pretty sure my dogs just loved them so much they've hidden them away in some secret stash, as they tend to do with their favorite treasures! Beyond just being durable, these toys have been a massive help with their training. They’re fantastic for redirecting all that enthusiastic chewing away from my furniture and shoes, which, let's be honest, is a huge win for any pet parent! Considering how long they've held up to some serious chomping, the price point is absolutely spot on. You definitely get great value for your money.watch your toe they are heavy. If you've got a dog that's a champion chewer, you absolutely need to try these out. They're a lifesaver!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
C
Verified Purchase
Christine Petrowsky
Louisville, US
★★★★★ 5
Great all around
Color: Blue
We have 4 dogs, lab, pit bull, golden retriever, great dane, I bought 4 sets, they are constantly played and chewed on, and are still around everywhere, great to chew on and play with
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Reviewed in the United States on May 27, 2026
J
Verified Purchase
Jan Keene
Massapequa, US
★★★★★ 5
Durable chew toy.
Color: Blue
My dog loves these. She chews on them a lot. She seems to like the different shapes. She is part Pit and an aggressive chewer. These chew toys last a long time. And I love the three pack so if we lose one, we always have a spare.
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Reviewed in the United States on May 27, 2026
J
Verified Purchase
Jay
Los Angeles, US
★★★★★ 4
Decent durability for the price
Color: Blue
Bought a bunch of these for a dog shelter and have to say - decent for the price of you have aggressive chewers. All of the toys are still going 6+ months later, even with the strongest jawed pitty mix. Does get torn up at the ends but can easily be sanded down for a longer lasting toy, unlike some other hard toys with material not meant for sanding. The antler and ring seem to be favorites. The antler even has a divot so you can put soft treats in it or peanut butter and freeze it for a more interactive experience. Some came with a strong beef/liver smell but not overwhelming or off-putting. They are hefty without being too heavy, less likely to damage floors. Overall a good purchase
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026

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