Best offers Valve Springs Stage 2 Set For Ford 289/302/5.0/351W V8 – Up To .525" Lift, 16 Springs 351 Cleveland Cam Kit ...

Ask the average performance enthusiast about the Ford's modular family engines and you'll usually hear a barrage of preconceived and misguided notions: The engines are too small. Those things don't ...

Fittings such as these, for connecting a compressed air line to the spark plug hole for valve support, are available at most auto parts stores. Occasionally it is necessary or desirable to inspect or ...

Cut valvetrain weight and scream past redline. PBM's titanium valves for Chevy and Ford heads stabilize high-revving race ...

Worldwide, Honda enthusiasts invest hundreds, if not thousands of dollars on their powerplants to extract the utmost in power and reliability. Whether they opt to keep their Honda naturally aspirated, ...

Those wound-up pieces of high-tensile steel under your rocker arms work so hard closing your valves over millions of cycles that they could probably use a replacement right about now. We're talking ...