At 7,500 rpm, the pistons in your race engine reach either top-dead-center or bottom-dead-center and change directions 25 times per second. That means the piston goes from traveling at top piston ...

Ever been strolling through a hardware store or perhaps an auto parts establishment and wondered of the meaning behind the markings on the hundreds of thousands of bolt heads on the shelf? Whether you ...

Your engine is only as good as the fasteners that hold it together. In fact, that's true of every-thing on your car. But how do you know what fastener is correct for a given application? Actually, ...