Removing the stock 455HO this winter and installing an IAII with sd edelbrock heads...and can't wait for the spring!!!!!!!
News & Events
What's going on at SD in 2020
05.28.20
We're keeping plenty busy in the shop in this crazy world we're all living in. Demand for our CNC ported more >>
End of 2018 is fast approaching!!
12.04.18
Well it's been a while since we had an update on what's been going on at SD so here's a quick overview. more >>
Northwind Intake manifold Dyno Testing.
12.23.09
Well we had a chance to test the new Northwind on a 535 pump gas hyd. roller engine recently against more >>
