Brzezinski Racing Products, Company

New! Modified "Tru-Ram" Cast Iron Small Block Chevy Exhaust Manifolds Must run cast iron exhaust manifolds in your class? Or, tired of the hassle of headers? Our new Modified "Tru-Ram" Small Block Chevy cast iron exhaust manifolds combines the quiet, durable function of cast iron with the best...

Why? Because of their size. Our muffler is a bit larger than most; that's why it works. It is 9' in diameter and the shell is 10" long, which doesn't pose a problem on most race cars. We've sold our mufflers to racers who were fed-up with losing large amounts of power with other mufflers.

To finish off your exhaust system, we have a variety of exhaust pipes in stock of immediate delivery.

Adapts Holley 4 barrel carb to Q-Jet intake. We've tested several height combinations with a 4 barrel carb on the Q-Jet intake, and the 1" tall 4 hole spacer works best.

Allows adjustable positioing of Holley 2 barrel on Q-Jet manifold or any intake with "inside" (4 1/4") bolt pattern.

How much does the bore size matter when flow testing? It would be in our best interest to say that you need several different bore sizes to accurately flow test, let's say, small-block chevy heads because when going from 4.030" to 4.155" it will make a "measurable" difference in the flow...

Flow Guides add accuracy to flow testing. Small-Block Chevy Guildes are slotted to move quickly to next cylinder.3/4 inch thick with 1/2 inch radius. All of our Radius Flow Guides are CNC machined with a 1/2 inch radius. This means that you can go to any size port and have a radius guide with...

Now you can flow test faster and more accurately than ever. With our Aluminum Flow Stand, Sliders and Valve Opening Fixtures you will stop wasting time moving the head from cylinder-to-cylinder and invest your time flow testing.