Welcome to the SQ Engineering

SQ Engineering is a company that specializes in the Toyota 4age 20 valve engine and rear wheel drive Toyotas such as the AE86, KE70, TA22, RA28, AE71, T18, etc... However many other models are catered for and welcome into the workshop. The business is located in the S.E Suburbs of Victoria/Australia however a worldwide mail service is available.


Customer satisfaction is taken very seriously and a full defect/ function warranty is on all products/services unless otherwise stated. No receipts are needed for a warranty claim nor does the owner need to be the original buyer of the part. Feel free to inquire for further details.

What's new

4AGE 20V Distributor Kit- V4

The fourth version of the popular kit, easier to install, more rigid, better looking and cheaper.

4age 16V / 20V covers

4AGE blanking covers

Now with both 16 and 20V models available


Genuine parts

New Toyota Parts

Updated part list with complete gasket sets and other genuine service parts.