Pro-Port CNC

Pro-Port CNC Pro-Port CNC has moved to Melbourne and now run by James Melmoth who has been porting heads and building engines for 25 years.

This will continue on the legacy and engine building experience of proprietor Rod Rainford through his head port designs. Pro-Port CNC continues on the award winning racing and engine building experience of proprietor Rod Rainford. We specialize in 5 axis CNC porting solutions on a large range of cylinder heads, both import and domestic.

- Ford.
- Holden.
- Chevrolet.
- Nissan.
- Lexus.
- Plus many more. Use the service that the professionals use. Let us help you to achieve what you need today.

14/07/2026

To complement our CNC ports for early and VN heads we offer 7/16 conversion for both styles of cast heads

29/06/2026

Some 18 deg chev badness on the Cnc this week. I will have 4-5 intake ports 3 ex and 3 chamber programs from 2.6-3.0 sq in at the pinch and I can put these in a few castings if they are based off the GM 363 head
If your starting a clean slate build there are many advantages to going a 18 or 15 wedge head

New HQ race port coming to life. This will be an easy 500+ Hp 355 early head engine done rightDyno and track testing wil...
02/06/2026

New HQ race port coming to life. This will be an easy 500+ Hp 355 early head engine done right
Dyno and track testing will follow up the results
This thing has a solid 2.2sq in

Any one interested in a 383 Holden dash 9 650 real HP fresh off the dyno. All good stuffPM me
30/04/2026

Any one interested in a 383 Holden dash 9 650 real HP fresh off the dyno. All good stuff
PM me

26/04/2026

Love the Wilby video. But turn up the volume on the racer pro 23 headed 388” test engine that we beat on.

26/04/2026

Wilby heap of fun heaps of laughs. That’s for you hospitality Michael Brody and all your crew

Time to have some fun and see what a set of Proport 23 racerpro heads sound and go like. Thanks to the wizard Michael B...
08/04/2026

Time to have some fun and see what a set of Proport 23 racerpro heads sound and go like.
Thanks to the wizard Michael Brody for stirring me up

SECRET ENTRY #1 - After a 7yr break, James from Pro-Port CNC Cylinder heads, will be firing up his high RPM Camaro to come have some fun, at TWO UP!!

James is a big part of a few of our Wilby builds, in particular supplying the cylinder heads for both Junk & Brody's Gemi...

So we are beyond keen to see both him & the Camaro out of the shed!!!

05/04/2026

More valvespring testing over the Easter weekend. See how many continuous hours over 7000 they hold up to.

Address

61 Ascot Street South
Altona Meadows, VIC
3028

Opening Hours

Monday 8:30am - 5pm
Tuesday 8:30am - 5pm
Wednesday 8:30am - 5pm
Thursday 8:30am - 5pm
Friday 8:30am - 5pm

Telephone

+61425717668

Website

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