Holden Commodore VE - VF Sedan July 2006 - Oct 2017 Gen IV 6.0 - LS3 6.2
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View partPH5310_L_R
PH 5310 Chevrolet 283-400 Small Block V8 To Suit Holden HQ-WB 1 5/8" Tri-Y
PH 5310 Chevrolet 283-400 Small Block V8 To Suit Holden HQ-WB 1 5/8" Tri-Y.
BrandPacemaker
Category: Extractors and headers
RRP $1093.34 AUD
Confirmed on orderAfterpay, Zip Pay & Zip Money available
Part specs
- SKU
- PH5310_L_R
- Supplier
- Pacemaker
- Category
- Extractors and headers
- Vehicle fitment
- Holden HJ HQ HX
- Stock status
- Confirmed on order
The Pacemaker PH5310 (MPN PH5310_L_R) is a 1-5/8 inch Tri-Y extractor set for the Chevrolet 283-400 small-block V8, listed to suit a Holden HQ-WB swap. It's a left-and-right header pair, supplied for an engine-conversion build.
What is this extractor set?
These are Tri-Y extractors with 1-5/8 inch primaries, cut for the Chevrolet 283-400 small-block V8 and listed to suit fitting that engine into a Holden HQ through WB. Tri-Y describes how the primary pipes pair off before they merge — a layout favoured for street small-blocks. As an L/R pair, it gives both banks tubular primaries in place of cast manifolds. No flow or power figures are published by the supplier.
What do headers do in an engine swap?
When a small-block Chev goes into a Holden body, the factory manifolds rarely clear the chassis, steering and crossmember. Conversion extractors like these are designed around that packaging problem, giving each cylinder a tubular path out while clearing the HQ-WB engine bay. They're the starting point of the exhaust on a swapped car — what follows behind them is built to match. Clearance is the whole game here, so it's checked carefully.
Will it suit my Holden HQ-WB build?
It's listed to suit the Chevrolet 283-400 small-block fitted to a Holden HQ-WB. Engine-swap fitment depends on your mounts, sump and steering, so confirm your exact setup with the workshop before ordering — conversion clearances vary car to car.
What does fitting involve at our Illawarra workshop?
Oak Flats Muffler Men fits small-block conversion extractors like these in the Illawarra. We check primary clearance against your mounts and steering, fit fresh gaskets, and plan the system back from the collectors. RRP is listed at 1093 AUD; fitting is quoted once we've seen the car and the conversion.
Stocked and fitted by Oak Flats Muffler Men, the Illawarra exhaust and 4x4 specialist in Oak Flats, NSW.
Common questions
- What engine are these PH5310 extractors for?
- They're cut for the Chevrolet 283-400 small-block V8, listed to suit that engine fitted into a Holden HQ-WB. Confirm your conversion details with the workshop first.
- Is this a left and right pair?
- Yes — the PH5310_L_R is an L/R extractor pair, one bank each, with 1-5/8 inch Tri-Y primaries.
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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