If you are into precision engine building, you've no doubt heard the standard line for establishing the proper pushrod length: With proper pushrod length, the rocker tip should be in the center of the ...

The most common reasons for using a pushrod that is longer or shorter than stock are: a decked cylinder block or heads, thicker/thinner head gaskets, small base-circle camshafts, aftermarket rocker ...

Q.When I rebuilt a 350 Chevy V-8 to replace the six-cylinder in my 1955 Chevy 210 I decided to use roller rocker arms. We ground the valves, added a mild cam with hydraulic lifters, screwed in studs, ...

There are many factors that determine whether or not a pushrod will fit and operate correctly. Unfortunately, there's little information out there showing you how to determine if yours are correct. We ...