Holden Commodore VE - VF Sedan July 2006 - Oct 2017 Gen IV 6.0 - LS3 6.2
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View partPH5305_L_R
PH 5305 Chevrolet 283-400 Small Block V8 1 3/4" 4 into 1 Competition Headers To Suit
Pacemaker PH 5305 Chevrolet 283-400 Small Block V8 1 3/4" 4 into 1 Competition Headers To Suit Holden HK-HT-HG.
BrandPacemaker
Category: Extractors and headers
RRP $1248.21 AUD
Confirmed on orderAfterpay, Zip Pay & Zip Money available
Part specs
- SKU
- PH5305_L_R
- Supplier
- Pacemaker
- Category
- Extractors and headers
- Vehicle fitment
- Holden HG HK HT
- Stock status
- Confirmed on order
The Pacemaker PH5305_L_R is a left-and-right pair of 1-3/4in four-into-one competition headers for the Chevrolet 283–400 small-block V8, listed to suit the Holden HK/HT/HG. The published RRP is $1248.21 AUD.
What does this part cover?
This is a bare header pair — left and right 1-3/4in four-into-one competition headers — built for the Chevrolet 283–400 small-block V8 and listed to suit the Holden HK/HT/HG. The 1-3/4in figure is the primary tube size from the listing, a step up from a road-sized primary. It replaces the cast manifolds and isn't a complete exhaust.
What is a four-into-one competition header?
A four-into-one header runs all four primaries straight into a single collector, the layout favoured for top-end on a built engine rather than the paired Tri-Y road design. The 1-3/4in primary here is larger, suiting a higher-output small-block. It swaps the cast manifolds for tuned tubes and changes exhaust flow and note; we hold no power or sound figures, and competition-oriented headers are chosen for a different priority than a road set.
Will it suit my HK/HT/HG?
It's listed for the Chevrolet 283–400 small-block as fitted to the Holden HK/HT/HG. The larger 1-3/4in primary and competition layout make engine spec and clearance even more important, so confirm your exact combination with the workshop before ordering. We verify against the car rather than the part number alone.
What does fitting involve at our Illawarra workshop?
Oak Flats Muffler Men supplies and fits Pacemaker competition headers in-house across the Illawarra. Landing a 1-3/4in four-into-one set in an HK/HT/HG bay is tight work, and the system behind it needs to suit the larger primaries. Tell us your engine and build and we'll confirm the fit, the lead time on this Pacemaker line and book the bay. It's listed to suit rather than guaranteed for every variant.
Stocked and fitted by Oak Flats Muffler Men, the Illawarra exhaust and 4x4 specialist in Oak Flats, NSW.
Common questions
- Will the PH5305_L_R suit my HK/HT/HG?
- It's listed to suit the Holden HK/HT/HG with a Chevrolet 283–400 small-block V8. The 1-3/4in competition primaries suit a built engine — confirm your spec with Oak Flats Muffler Men first.
- How is this different from the Tri-Y set?
- This is a 1-3/4in four-into-one competition layout rather than a 1-5/8in Tri-Y, so it's larger and aimed at a different priority than a road set.
- Is a full exhaust included?
- No — header pair only. The rest of the system is separate and should suit the larger primaries; we can advise when you book.
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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