Supertech 13.80mm Max Lift Single Valve Spring Kit | 2017+ Honda Civic Type R (SPRK-K20C-1) Other Electronics Stuff Core Size Specs: 21" x

Core Size Specs: 21" x 5

Features locking collars for exhaust hangers to prevent movement

Screenprinted GrimmSpeed logo

T304 Stainless Steel  Welding  Hand crafted high quality TIG welding Weight  TBA Note Includes full 3" stainless steel construction front over pipe

this reservoir cap not only enhances the aesthetic appeal but also offers superior durability compared to stock plastic caps

Supertech 13.80mm Max Lift Single Valve Spring Kit | 2017+ Honda Civic Type R (SPRK-K20C-1) Other Electronics Stuff Core Size Specs: 21" xFITS: K20c1 , k20c4 engines Supertech Spring Retainer kits are precision matched sets for a complete valvetrain overhaul. Developed for the performance enthusiast that wants the best the industry has to offer, Supertech Spring Retainer kits are second to none in terms of performance, quality and value. Features Seat Pressure: 77 @ 40. 60 Open Pressure: 176 @ 10 Max Lift: 13. 80mm Coil Bind: 27. 30mm Rate: 9. 9 Kit spring: SPR H1003S Retainer: RET 1003