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AF4030-31233
Exh 576" Lobe separation angle 113°
bonded to an aluminum core with temperature resistance of over 2500 F
The Swivel design is optimal for increased caster adjustment over standared fixed head perches
PAC 1209X Premium Dual Spring x 16 Electrical AF4030-31233CHEVROLET LS1. PAC 1209X RPM Series Dual Spring set of 16. Premium quality Japanese spring steel wound in USA by PAC. Made with advanced heat treatment processing and surface finishing techniques (nano peening) to extend fatigue life. High spring frequency to allow for better spring surge control at high rpm. 160lb at 1. 800? installed height. 485lb at 0. 650? valve lift. Coil bind (spring solid height) 1. 000?. RET135 16 is the matching Titanium
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