An engine's valvesprings play a critical role in its performance, yet those incorrectly chosen for a given application can cause hobbyists to unknowingly point blame in another direction if an engine ...
The latest GM LS-style engines come stock with free-flowing, rectangular-port heads—they just need a great cam to wake them up. Enter Comp Cams' new LSR series. Available for both late-model one-bolt ...
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