1473 Valve Springs - Pro 850 Spring (set of 8)

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List Price: $239.95

Your Price: $209.95

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Product Code: 1473

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Description

This is a dual valve spring engineered for use on drag race engines. The Pro-850 valve spring has a very high frequency range. This high frequency allows for increased valve control at high rpm's. The smaller 1.440 diameter decreases the weight of the spring. Decreased weight allows for less spring tension when compared to stronger yet heavier roller springs.

Features

Installed Pressure @ 1.800 installed height - 300 lbs.
Open Pressure @ .800" Lift - 815 lbs.
Coil Bind @ .930"
O.D of outer valve spring - 1.440"
I.D of inner valve spring - .760"
Top Quality Heat Treated Kobe Wire
Stress Relieved
Heat Set
Micro Shot-peen
Nitrided and Polished Surface

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Valve Train Parts