SKU: 306800
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Atomic Barra performance valve springs come as a set of 24 matched to within +-1lbs spring pressure. These springs range between 80-85lbs pressure at the seat and each box comes marked this number. Matched sets make for a more consistent load across the valvetrain. That's means a quieter, smoother engine. These springs are suitable for fairly standard motors with increased boost. Limit boost to around 25psi.
Suits motors similar to stage 3 but with larger valves or HD rockers
Torque specs, clearances, preloads etc.
BA? BF? FG? GAS? RED TOP? WTF?
Installation and setup instructions
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