The purpose of the Valve Train components are to open and close the valves. The valves need to open and close in order to intake fuel through the intake valve and release exhaust through the exhaust valve.

Valve Springs Can Cause, Floating Valves And Pumped Up Lifters
Valve Springs, have a very basic job, but how they do it, is very important. By the time they have 100,000 miles on them, they have probably lost up to 10%, of their tension. The […]