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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
: 33mm (1-5/16") Neck Height: 25
4 x nyloc nuts
Ultra-Lite Series Pyrometer Gauge2-5/8"
Roller Dual Valve Spring with dampener 255 lbs
AF64-3001BLK
PAC 1204X Premium Dual Spring x 16 Product:PAC 1204X Premium Dual Spring x 16 : 33mm (1-5/16") Neck Height:CHEVROLET LS1. PAC 1204X 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. 145lb at 1. 800? installed height. 385lb at 0. 650? valve lift. Coil bind (spring solid height) 1. 000?. RET135 16 is the matching Titanium
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