SKU: 72410945652

Pacemaker | 1¾" Tuned Exhaust Headers | Holden HQ HJ HX HZ WB LS Engine Swap | PH5342 L/R

Sale price$551.83 Regular price$613.14
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Description

Pacemaker | 1¾" Tuned Exhaust Headers | Holden HQ HJ HX HZ WB LS Engine Swap | PH5342 L/RPacemaker 1" Tuned Design Exhaust Headers Holden HQ WB LS Engine Swap PH 5342 L R Modernize your classic Holden HQ, HJ, HX, HZ, or WB with the power of an LS V8 using these high quality Pacemaker Tuned design exhaust headers. Specifically engineered for LS1 (Gen III), LS2, and LS3 (Gen IV) engine conversions, these 4 into 1 headers feature 1" primary pipes. This design provides the perfect balance of exhaust flow and clearance, making it an ideal

Pacemaker 1¾" Tuned Design Exhaust Headers - Holden HQ-WB LS Engine Swap - PH 5342 L/R

Modernize your classic Holden HQ, HJ, HX, HZ, or WB with the power of an LS V8 using these high-quality Pacemaker Tuned design exhaust headers. Specifically engineered for LS1 (Gen III), LS2, and LS3 (Gen IV) engine conversions, these 4-into-1 headers feature 1¾" primary pipes. This design provides the perfect balance of exhaust flow and clearance, making it an ideal choice for street-driven performance builds and engine swaps requiring a professional fit and finish.

Features:

This product offers the following high-performance features:

  • TUNED 4-into-1 Design: Precision-engineered to optimize exhaust scavenging and improve power delivery across the RPM range.
  • Optimized Pipe Sizing: Features 1¾" (44mm) primary pipes leading to a 3" (76mm) outlet for efficient gas flow from 5.7L, 6.0L, and 6.2L engines.
  • Conversion Specific: Tailored for the Holden HQ-WB chassis to ensure proper fitment during an LS engine swap.
  • Full Accessory Support: Compatible with both Power Steering and Air Conditioning systems for a complete and functional build.
Product Specifications for PH 5342 L/R
Feature Value Feature Value
Part # PH 5342 Gasket DSF 138
P/Steering Yes Primary Pipe 1¾" (44mm)
Air Con Yes Secondary Pipe -
Oxy Sen Yes Outlet 3" (76mm)
Fitting Time 2 Hrs Design Tuned 4-into-1

Important Notes:

  • Engine Suitability: Engineered for 5.7L, 6.0L, and 6.2L LS V8 engines (LS1, LS2, LS3).
  • Suitable for both Manual and Automatic transmissions.
  • Includes Oxygen Sensor provisions for modern ECU integration.
  • Designed specifically for the engine conversion market in HQ-WB series Holdens.

Important Information

  • The image shown may not reflect the actual product
  • Shipping times may vary depending on destination and stock availability

Vehicle Applications:

Vehicle Applications for PH 5342
Make Model From To Body Series Engine Variant Drivetrain
HOLDEN (LS ENGINE SWAP)
Holden Kingswood / Premier / Monaro / Statesman 1971 1984 Sedan / Ute / Wagon / Coupe / Statesman HQ-HJ-HX-HZ-WB 5.7L / 6.0L / 6.2L LS 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: 72410945652

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MMF
Houston, US
★★★★★ 5
Love the long sleeves!!!
Color: White, Size: Small
Love it! I'm 5' 11" tall and I purchased this according to reviews. Several people commented on the length of the sleeves. I have a hard time finding sleeves long enough if it's not " tall" sized. It was perfect for me. If this washes nice I'm going to consider purchasing more in other colors. I ordered the white and just love the long ribbed cuffs with the line of buttons. Very soft.
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Reviewed in the United States on May 1, 2026
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Cindee
Pawtucket, US
★★★★★ 4
Nice cozy sweater, but handwashing is recommended
Color: Beige, Size: Medium
Soft and cozy, but does not wash well. Goes with everything. This sweater fits well and looks great. I received lots of compliments while wearing it.
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Reviewed in the United States on April 23, 2026
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Hillary K
Lexington, US
★★★★★ 5
Great sweater for winters in the Midwest
Color: Black, Size: X-Large
Love this sweater! I went back and got another color! The fit is true to size and very comfy. The button detail on the sleeves just adds a little pizazz. The weight of the sweater is perfect for winters in the Midwest.
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Reviewed in the United States on May 30, 2026
K
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KatieMae
Lowell, US
★★★★★ 5
Flattering fit
Color: Dark Green, Size: XX-Large
This sweater is thick and stretchy but holds a nice shape, and is flattering on the body. The sleeves are nice and long too, which I really appreciate, being a tall person... the button detail is a great addition. True to size. I haven't washed it yet, and I imagine, based on the kind of woolly knit it is, that this sweater will eventually pill... but for now I'm enjoying being cozy and stylish. The deep green color is almost black green. I LOVE IT.
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Reviewed in the United States on February 2, 2026
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GypsySoul
Los Angeles, US
★★★★★ 5
Love it
Color: Dark Green, Size: Small
I got the dark green. Love the sweater and it's warm. I do layer the sweater as well. It is as pictured. Size is perfect to me. I like sweaters to be longer and a bit wider in case it is freezing and I need to layer it. This sweater is perfect for layering. It comes closer to my backside, it is a little wide and not snug, and I like that the sleeves come over my wrists
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Reviewed in the United States on February 7, 2026

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