Pay in 4 interest-free payments of $92.58 Learn more
Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
strip and track engines with 350-600hp
These units are bolt-in and a cheap alternative to stuffing around with more expensive options
Scramble boost feature with remote switching
connect to ECU ground
PAC 1209X | Dual Springs recovery gear strip and track engines withCHEVROLET 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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