Brian Crower Spring and Retainers * Valvesprings Designed for high rpm, Brian Crower valve springs are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures (chamfer, debur, etc...) for consistent pressures over long term, high rpm usage. Quality valve springs are critical in the prevention of premature valve float. * Retainers The ultimate in lightweight high performance, Brian Crower titanium retainers typically weigh in approximately 40% less than the factory OEM steel units. CNC machined for premium 6AL4V titanium bar stock to exacting tolerances. * Spring/Retainer Kits Brian Crower valve spring and titanium retainers kits are system matched to work in unison to deliver better valve control at extended rpm's and allow for greater lift camshafts for added performance and reliability. * Keepers/Locks * Spring Seats PartNumber : BC3917 Description : Valve Guides Position : Exhaust Size : 6.0mm 2008 Chrysler PT Cruiser Base L4.2429cc Engine Components::Valve Guides 2005 Chrysler PT Cruiser Dream Cruiser L4.2429cc Engine Components::Valve Guides 2003-2007 Chrysler PT Cruiser GT L4.2429cc Engine Components::Valve Guides 2004-2009 Chrysler PT Cruiser Limited L4.2429cc Engine Components::Valve Guides 2005 Chrysler PT Cruiser Street Cruiser L4.2429cc Engine Components::Valve Guides 2004-2008 Chrysler PT Cruiser Touring L4.2429cc Engine Components::Valve Guides 2003-2005 Dodge Neon SRT-4 L4.2429cc Engine Components::Valve Guides