Think your job involves a lot of stress? It likely pales in comparison to the job of a cylinder head fastener. With peak combustion pressures in excess of 1,500 psi in a high performance engine, the stretching and loading forces on your head bolts are incredible. That’s why you must make sure your head fasteners are in
While SFI specifications are the thing by which most auto racing safety equipment is measured, your helmet is a different animal. Helmets are rated by the Snell Memorial Foundation, and in most instances, a helmet’s Snell specification will dictate whether it is suitable for a particular racing application, or allowed by a motorsports sanctioning body.
NORWALK, OH — We feel a little bad saying and thinking it, but it doesn’t make it less true: Classic American muscle cars are amazing to look at, but not always fun to drive. We’ve been spoiled by 50-ish years of technological advancement in suspension and steering performance, creature comforts like air conditioning, audio quality while blasting
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