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We recommend to use the valve spring KVS02-BT kit with a boost of up to 30psi and up to 8000rpm
connect to ECU ground
Swaybar Links (Optional) Found HERE
These units are bolt-in and a cheap alternative to stuffing around with more expensive options
PAC 1209X | Dual Springs recovery gear We recommend to use theCHEVROLET 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
