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Workshop Services

  • In House Motor Assembling

    We build high-performance engines in-house with precision and quality parts—perfect for street, race, or custom applications.

  • Motor Machining

    We offer expert engine machining services, including block boring, honing, decking, and head resurfacing—all done in-house for precision and performance.

  • Fabrication & Welding


    From custom exhausts to bracketry and race-spec mods, our in-house welding and fabrication delivers strength, precision, and performance.
Workshop Services

Let customers speak for us

from 15 reviews
Athena cutring

Super fast shipping and quality products as always hard to find bmw aftermarket parts in nz so this place is a godsend

Matthew Mills
BMW M20 M50 M52 M54 HEAD GASKETS
BMW M20 M50 M52 M54 HEAD GASKETS
ARP headstuds

Good quality products from a very good local shop with the best customers service around.
Got me the arp studs that other shops told me I'd be looking at a 3/4 month wait for. speedfactor had them shipped to my door in 3 or 4 weeks, Have been recommending speedfactor to everyone I know for race car parts or fabrication supplies since I found out about them 5 years ago

Stiaan
AUDI VW 20 VALVE ENGINE PARTS
AUDI VW 20 VALVE ENGINE PARTS

We endevour to have everything we list, in stock.

We review every order before payment is finalised to ensure the item/s are in stock in our shop in NZ.