Marsh Motorsport Ltd

Marsh Motorsport Ltd New Zealand's leading motorsport engine rebuilders and home of the fastest naturally-aspirated small block in the world.

We're also proud to have built over 47 NZ championship winning engines over all classes in most forms of motorsport - more than any other New Zealand company. Our clients come from New Zealand and around the world because our industry knowledge and mechanical experience lead to proven performance results. We work hard to stay at the cutting edge of racing and high performance engines. We have buil

t direct alliances with a large number of major aftermarket performance parts manufacturers to offer the best quality parts to our clients. Our large engine workshop and experienced team give you total peace of mind for your custom built high performance race engine. We have a huge range of machinery we offer a total engine service, eliminating the need for outwork, ensuring quality and precision in our work through every step in the process.

Stripped thread on a ls cylinder head
14/08/2026

Stripped thread on a ls cylinder head

We are on the look out for a ford 351w crankshaft 2.750 main 3.625 to 3.750 stroke 2.100 to 1.888 big end Fully counterw...
10/08/2026

We are on the look out for a ford 351w crankshaft

2.750 main
3.625 to 3.750 stroke
2.100 to 1.888 big end
Fully counterweighted
New or second hand. Is there anything out there

Engine will live at 8500 rpm so needs to be decent

26/07/2026

Balancing a few crankshafts today

Its important to balance a crankshaft when rebuilding your engine or upgrading pistons and rods

Your engine will run smother and accelerate faster

4 cylinder crank assy $200
6 cylinder crank assy $250
V6 crank assy $450
V8 cranks assy $450

09/06/2026

If you know anything about nz motorsport history you will know what this is

Just landed 3 x billet Datsun A15 crankshafts82mm stroke Fully counterweighted 7/16unf flywheel bolt holes These cranks ...
09/06/2026

Just landed
3 x billet Datsun A15 crankshafts
82mm stroke
Fully counterweighted
7/16unf flywheel bolt holes

These cranks are designed to rev to 11,000rpm
We have a few in engines out there running around that make 200hp N/A

Call for pricing

Nissan VR38 heads in for some love
07/06/2026

Nissan VR38 heads in for some love

Double trouble 289w and a 302w One for the street and one for the circuit
04/06/2026

Double trouble

289w and a 302w
One for the street and one for the circuit

03/06/2026
Rb26 shimless conversion done and dusted Ready for Godsnd to put it all back together Kelford Cams cams, springs, titani...
03/06/2026

Rb26 shimless conversion done and dusted
Ready for Godsnd to put it all back together

Kelford Cams cams, springs, titanium retainers and DLC coated shimless buckets

Address

3B Smales Road, East Tamaki
Auckland
2013

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 7pm
Saturday 9am - 5pm

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