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Speedmaster EFI fuel pressure regulators are anodized for great looks and corrosion resistance
Precision CNC-machined from high-grade billet steel
If you're in the market for a new alternator that can really deliver
The crank sprockets have multiple keyways
Our dual plane big block manifold is now available with rectangular ports
550 lbs./in. Spring Rate 7" Tall Coil Over Shock Springs - Silver (Pair) Speedmaster EFI fuel pressure regulatorsSpeedmaster coil springs are designed to withstand the high stress levels of modern suspensions. They're manufactured from high quality chrome silicone steel, heat treated and shot peened, and then powdercoated or plated for protection and appearance. Each spring is guaranteed to be within five percent of its advertised rate.
