V8 Engine Specialists & All Mechanical Repairs

We Service All Makes & Models. Qualified Vehicle Certifiers for Cars & Motorcycles.

Hydroplane Boats

Rivers Speed & Spares have had a long relationship with the Annihilator Race Team starting back in 1993.

Drag Racing

A One Stop Shop for all your needs from engine building, tuning, fabrication and chassis work.

Circuit Racing

We work on all types of vehicles and can design and fabricate to meet your requirements.  Let us help you build that vehicle you really want.

Hot Rods

e pride ourselves on turning out top quality workmanship on every job, from engine rebuilds, turn key rebuilds, modifications and also able to complete LVVTA certification on modified vehicles.



Grant is an authorised vehicle certifier with the LVVTA. Once a vehicle is modified from its original state or is a scratch built, it requires certification to ensure that it is safe to operate on the road, and comply with the legal safety requirements.

ACC & Enable

We are contract holders for Levels 1 and 2 vehicle modifications. Our goal is to provide vehicle modifications for clients who have been identified by ACC as requiring vehicle modifications to meet their injury related needs.

Latest Blog Posts

Torana GTR Rebuild

1970's Heatwave Rally Torana GTR full rebuild All Mechanical work by Rivers Speed & Spares. Panelwork by Tom Ditchfield Panelbeaters two doors down from Riverspeed workshop and Paintwork by Colourcode located right next Door.    ...

2017 NZDRA Awards Night

Life Members of the NZDRA 2017 Grant Rivers and Garth Hogan New Zealand Drag Racing Association Awards Night 24th June 2017. Great night for the Rivers Family Racing Team at the NZDRA Awards Night picking up the  the NZDRA 1st place Trophy for the Compitition Class....

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