Holden Commodore VE - VF Sedan July 2006 - Oct 2017 Gen IV 6.0 - LS3 6.2
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View partPH5325_L_R
PH 5325 Chevrolet 283-400 Small Block V8 To Suit Holden HQ-WB 1 3/4" 4 into 1
PH 5325 Chevrolet 283-400 Small Block V8 To Suit Holden HQ-WB 1 3/4" 4 into 1 Competition Headers.
BrandPacemaker
Category: Extractors and headers
RRP $1248.84 AUD
Confirmed on orderAfterpay, Zip Pay & Zip Money available
Part specs
- SKU
- PH5325_L_R
- Supplier
- Pacemaker
- Category
- Extractors and headers
- Vehicle fitment
- Holden HJ HQ HX
- Stock status
- Confirmed on order
The Pacemaker PH5325_L_R is a pair of competition headers for the Chevrolet 283–400 small-block V8, built to suit a Holden HQ–WB. It's a 1¾in, four-into-one design that replaces the cast manifolds on a small-block conversion.
What's a four-into-one competition header?
A four-into-one header merges all four runners on each bank into a single collector, a layout aimed at performance use rather than quiet road manners. This PH5325 set uses 1¾in primary tubes and is designed for the Chevrolet small-block V8, packaged to fit a Holden HQ–WB body — a common engine-swap combination. It's sold as a left-and-right pair and is the manifold portion of the system.
Will it suit my Holden HQ-WB with a Chevy small-block?
It's listed to suit the Chevrolet 283–400 small-block V8 fitted to a Holden HQ–WB. Conversion fitment is detail-dependent — engine mounts, steering and chassis all matter — so confirm your exact build with the workshop before ordering.
Is it road legal?
These are described as competition headers, which signals they're aimed at off-road or track use rather than quiet road duty. Road compliance for a small-block conversion depends on the whole vehicle and exhaust setup, so confirm what your HQ–WB needs and any NSW requirements with the workshop before fitting.
What does fitting involve at our Illawarra workshop?
Oak Flats Muffler Men fits conversion headers in-house across the Illawarra. On a Chevy-into-Holden swap we check steering and chassis clearance, the gasket faces and how the collectors meet the rest of the system. The recommended retail is $1,248.84, which we confirm with you, along with availability, before ordering.
Stocked and fitted by Oak Flats Muffler Men, the Illawarra exhaust and 4x4 specialist in Oak Flats, NSW.
Common questions
- What engine does the PH5325 suit?
- The Chevrolet 283-400 small-block V8, packaged to fit a Holden HQ-WB. Confirm your conversion details with the workshop first.
- Are these street headers?
- They're described as competition headers, aimed at performance use. Confirm what suits your build and any road requirements with the workshop.
Fitment support across the Illawarra
Fitment checks near you across 18 Illawarra suburbs, from Oak Flats and Shellharbour to Wollongong and Kiama.Show nearby fitment areasCollapse section
Oak Flats Muffler Men can check this part against supplier specs, part number, image, RRP and vehicle details for customers around Oak Flats, Shellharbour, Wollongong, Dapto, Albion Park, Kiama and the northern suburbs.
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View partBook the right exhaust job without guessing.
Send the vehicle make, model, year, engine, current issue, desired sound or performance goal, and clear photos of the existing exhaust where available.