Supertech 12.70mm Max Lift Dual Valve Spring Kit | Multiple BMW Fitments (SPRK-H1000D-BM)

BMW M50/S50/S52/M52/M54 Dual Valve Spring Kit - Set of 24 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: 80lbs@35.70mm
• Open Pressure: 195lbs@10mm
• Max Lift: 12.70mm
• Coil Bind: 20.70mm
• InnSpr.OD: 20.50mm
• InnSpr.ID: 15.50mm
• Rate: 11.50lbs/mm
• Kit spring: SPR-H1000D
• Retainer: RET-AUVE/T1
• Seat Locator: SEAT-BM60
• OutSpr.OD: 29.65mm
• OutSpr.ID: 21.85mm

Benefits

• Underwent a gas nitriding process before shot peening for improved fatigue life

Please Note: Use Factory Valve Stem Seal

Applications

• 1991-1995 BMW 318i
• 1991-1995 BMW 318is
• 1995 BMW 318ti
• 2000 BMW 323Ci
• 1998-2000 BMW 323i
• 1998-1999 BMW 323is
• 2001-2006 BMW 325Ci
• 1992-1995,2001-2005 BMW 325i
• 1992-1995 BMW 325is
• 2001-2005 BMW 325xi
• 2000 BMW 328Ci
• 1996-2000 BMW 328i
• 1996-1999 BMW 328is
• 2001-2006 BMW 330Ci
• 2001-2005 BMW 330i
• 2001-2005 BMW 330xi
• 1991-2005 BMW 525i
• 1993 BMW 525iT
• 1997-2000 BMW 528i
• 2001-2005 BMW 530i
• 1995-1999 BMW M3
• 2004-2006 BMW X3
• 2001-2006 BMW X5
• 1997-2002 BMW Z3
• 2003-2005 BMW Z4

What's In The Box?

• 24 - Springs
• 24 - Retainers
• 24 - 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.