AirMax Intake Relief Valve System manages ALL your pumper’s intake relief valves right from the panel! There is no other intake relief valve system on the market that can set multiple intake relief ...

An upgrade to a premium air intake manifold delivers significant performance breakthroughs to enthusiasts who care about vehicle enhancement. All car owners who drive 6.7 Cummins diesel engines and ...

Editor's Note: As inanimate as intake manifolds may appear, they provide a path to both major and minor on-track power gains. Selection is one thing; "tuning" them to specific applications is a blend ...

For Part I, covering the new combustion system, direct injection, and active fuel management: click here. For Part III, covering the block, crankshaft and lubrication systems: click here. Continuing ...