Supertech Dual Valve Spring - Single | Multiple BMW Fitments (SPR-2521/BM)

Dual Valve Spring by Supertech

Supertech Spring 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

• Type: Dual Spring
• OutSpr.OD: 26.40mm
• OutSpr.ID: 13.30mm
• InnSpr.OD: 19.30mm
• InnSpr.ID: 14.50mm
• Press.Seat: 82lbs @41mm
• Press.Open: 186 @10mm
• Max Lift: 16.60mm
• Coil Bind: 24.70mm
• Rate: 10mm

Benefits

• Long durability under extreme conditions

Applications

• 1999-2006 BMW M3
• 1997-2002 BMW Z3 M
• 2003-2008 BMW Z4 M

What's In The Box?

• 1 - Dual Valve Spring

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.