Supertech 14.0mm Max Lift Single Beehive Valve Spring Kit | Multiple BMW Fitments (SPRK-HM1007BE-S54)

BMW S54B32 Beehive Valve Spring Kit by Supertech 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: 76lbs@36mm Open Pressure: 204lbs@10mm Max Lift: 14.0mm Coil Bind: 22.8mm Rate: 12.80mm Kit spring: SPR-HM1007BE Retainer: RET-BM2521/T1-BE InnSpr.ID: 14.50mm InnSpr.OD: 24.2mm OutSpr.OD: 28.0mm OutSpr.ID: 18.8mm Seat Locator: SEAT-BMS54-BE Benefits Underwent a gas nitriding process before shot peening for improved fatigue life Applications 2000-2006 E46 M3 2000-2002 E36/7 Z3 M Roadster, E36/8 M Coupé 2006-2008 E85 Z4 M Roadster, E86 Z4 M Coupé What's In The Box? 24 - Springs 24 - Retainers Seat Locators Warranty Due to the nature of the application, these parts are sold without any express warranty or any implied warranty of merchantability, or fitness for a particular purpose.