BTR: SK427 SPRING KIT - SOLID ROLLER LSx - SK427/500 billy boat c7 This system bolts in utilizing

This system bolts in utilizing factory locations and an additional 4 drilled holes with heavy-duty nut plates for a hassle-free install

This ensures long life

Flex Fuel Sensor (option)

set of 4 8 $2

Chrysler 300C SRT-8

BTR: SK427 SPRING KIT - SOLID ROLLER LSx - SK427/500 billy boat c7 This system bolts in utilizingBTR SPRING KIT SOLID ROLLER LSx . 750" LIFT SK427 When you take the plunge into a solid roller combination, taking the guesswork out of the valvetrain combination is a huge relief. For that reason, BTR is proud to introduce the SK427 valve spring kit. Parts included: (16) SR532 titanium retainers (16) PSI DR427R ML valve springs (16) VS LS valve seals (32) VLM8 8MM 1 valve locks (16) SLS128 1 locators (stock guides) OR (16) SLS138 1 locators (bronze