Biggest Sale of The Year
Black Friday is our biggest sale each year! We have stocked up on a lot of B58 and S55 kits which are our best sellers and also have manufactured parts to build extra quantities of S58 and N55 turbo kits!
NEW S58 FULL FRAME TWINs
Track proven
Unleash the beast
Only The Best
Why BigBoost? Is this even a question? We do not sell anything that we would not use in our record setting cars! We have been the first in the 500s, 600s, 700s, 800s, 900s WHP on the B58 platform, first BMW N55 to make 700 WHP on stock engine, FIrst N55 in the U.S. to run 10s, Fastest N55 in the world to date! First B58 in the 10s, First B58 140+ MPH Trap in the 1/4 mile! B58 100-200 World record at 4.77s.
Still thinking about it?
Ask around, fastest BMW N55 and B58 run BigBoost!