Clara Hayes

Best Howards Cams rattler: Rattler cams promise an unmistakable choppy idle.

Best LT4 cylinder heads: LT4 builds often stall on a single weak link: cylinder head sealing.

Best LS3 rectangle port heads: Mixing components from different LS generations is a common hurdle during a build.

Best Coleman Racing heads: Racing small-displacement engines like Coleman CT200U and Predator builds often suffer head gasket issues under heat,…

Best JEGS cylinder heads: Replacing cylinder heads on a small block engine requires precision.

When I set out to compare the Best Assault Racing heads, I zeroed in on what actually changes fit and function: bare SBC head flow specs…

Best DNA Motoring heads: Engine builders want an upgrade that matches the engine, not a vague “performance” promise.

Best Speedmaster PCE heads: Choosing the right Speedmaster PCE heads stud kit gets tricky once engine builders start swapping head types and…

Best Flotek cylinder heads: I looked at 10 Flotek cylinder head listings and zeroed in on the stuff that usually trips people up: exact valve sizes,…

Shopping for Best Patriot Performance heads gets messy because the listings rarely compete on one clean spec.