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This Comp "Street" Mechanical roller is a great grind for those who want to maximize their power with a roller cam, but who are also planning to put some mileage on the motor and don't want to have to buy new valve springs every 150 miles. In a 500"+ stroker, this cam will make power from about 3000-6500. The .582/.588" lift and 254 intake and 260 exhaust duration at .050" allows for super strong mid and upper range power without sacrificing too much low end for getting around on the street. These are ground on a 110 degree lobe separation angle. We'd use about a 3200 stall, and some decent rear end gears (3.55-4.10 for the street.) The key to the extra longevity with this setup is that this cam is designed to use a slightly lighter valve spring than a full race roller, which greatly increases the service lifetime of all the valve train components (especially the springs.) With this setup, we recommend our 145-1007 solid roller lifters, Comp's 938-16 valve springs, our 145-1003 retainers, and our 145-1002 locks (if you are using valves with 11/32" stems.) Also, this cam uses three bolt timing chain sets. We carry them (along with the required bolts, etc.) on our timing chains page. Don't forget to order Comp lifters and break-in lube (shown below) with your new cam! These items are considered essential to ensure that your cam has the longest possible life and is fully covered under Comp's warranty policy. And, since this is Comp we're talking about, you can be assured of two things: The product is 100% made in the USA, and the quality is second to none.
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