Valve Seat Pressure Tester Decals 750" diameter holes for 4150

750" diameter holes for 4150 style carburetors and with 2

We also have 1" thick carburetor spacers that are CNC machined to match the reversion plates and provide even greater performance improvement

Moroso has designed the trigger wheel and adjuster arm to allow for inifinite timing settings

before any serious damage can occur

25 300-259 Brodix/Donovan - 11

Valve Seat Pressure Tester Decals 750" diameter holes for 4150Another area of the valvetrain that operates under severe conditions is the valve springs. Proper valve spring pressure is essential for a racing engine to reach its maximum potential and to avoid costly valvetrain damage. This hand held valve spring pressure tester is not as accurate as a bench model tester. That is not its purpose. It allows you to establish a baseline reading of the valve springs seat pressure. From this point of reference you can