When it comes to racing, you don’t settle for “just okay”—and neither do we. That’s why PAC Racing’s RPM Series Valve Springs are here to take your engine to the next level. These valve springs are crafted with the latest tech from Circle Track and drag racing, designed to give you performance gains that’ll make you want to high-five your mechanic.
We’re talking about serious, no-nonsense components built for durability and precision. The RPM Series is made to handle all the power your camshaft can throw at it, unlocking serious performance with every rev. With a range of diameters and spring pressures, you can fine-tune them to perfectly match your cam profile, making sure every horsepower is put to work. Whether you’re tearing it up on the track or just looking for that extra edge, these springs have you covered.
These beehive-style springs are a single spring per valve, so no need to worry about unnecessary weight or complexity. But don’t let their simplicity fool you—these little guys are tough. They have a max valve lift of 0.650 inches, a spring rate of 409 lbs./in., and a coil bind height of 1.070 inches, giving you the stability and durability needed for aggressive driving. While the retainers, locks, and valve stem seals are sold separately, these springs still pack a serious punch.
But here’s the kicker: They’re not just about power, they’re about reliability. No remanufactured, half-baked components here. These springs are designed for the long haul, whether you’re hitting the drag strip or carving up the circle track.
So, if you want your engine to perform like a finely tuned race car, it’s time to get serious with PAC Racing RPM Series Valve Springs. Your camshaft will thank you—and your competition will be left in the dust.
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