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Le Mans and 1970-1981 F-Body
8L Gas 1970-1976 Oldsmobile Cutlass Supreme L6 4
Notes: Given the removal of the rear-mufflers
- Two attachment points for superior chassis stiffening
214% stiffer than OE bar
BTR: SPRING KIT - SOLID ROLLER LSX - .750" LIFT - SK427/560 nx Le Mans and 1970-1981 F-BodyBTR 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
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