United Engine and Machine Co.

Click Here for the
Latest Catalogs

Box Inserts &
Instalation Instructions

Automotive Installation Instructions

Motorcycle Box Insert

Try out our new
Effective Compression Pressure Ratio

plus 7 other useful calculators and converters.

Don't forget to check the

of KB Pistons

WHAT IS A COMPENSATED RING GROOVE?

"DEFINITION OF ACCELERATION" ... Fun Stuff !!!!!!

ENGINE COMPONENT FAILURE ANALYSIS by AERA

Dynamic Effective Compression Ratio Re-Visited

John Hartman's 1988 STREET/STRIP MUSTANG GT