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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
VA50507-VUA
Features Forged Side Relief (FSR) and forced pin oiling
High performance drop-in cams to suit stock valve springs
This kit will enable you to obtain that extra tenth of a second without being obvious
8-Bolt Crank
PAC 1209X Premium Dual Spring x 16 Turbosmart GenV Large Frame External WG VA50507-VUACHEVROLET 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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