Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
GM X-Body 1969-71
high rocker ratio and high spring pressures
Allen Head
000 bolt spark through 7
Other spring designs use the cinch style bend clips which bend tightly over the spring leafs causing binding and friction
PAC Racing Springs 10 Degree Valve Lock - 11/32 in Valve Stem - Standard Height (Set of 16) WEHWM750T26 GM X-Body 1969-71Product Description: Valve Lock 10 Degree 11 32 in Valve Stem Standard Height Steel Natural Set of 16 Traditional Springs are made from the same size (Diameter) wire throughout the helix of the spring. PAC Racing Springs has partnered with technology leaders in order to provide this advanced new tapered wire product. Tapered wire allows for a true progressive and dual rate without reducing spring travel and increasing weight from traditional methods.
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