Supertech Beehive Valve Spring Kit | Multiple BMW / Toyota Fitments (SPRK-B58B-2)

Toyota B58B30 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

• InnSpr.ID: 14.20mm
• Seat Pressure: 84 @ 37
• Open Pressure: 157 @ 10
• Max Lift: 12.2mm
• Coil Bind: 23.20mm
• Rate: 7.25
• Kit spring: SPR-FE20BE-2
• Kit spring qty: 24
• InnSpr.OD: 21.00mm
• OutSpr.OD: 24.40mm
• OutSpr.ID: 17.60mm
• Retainer: RET-BMB48/TE(12)

Benefits

• Underwent a gas nitriding process before shot peening for improved fatigue life
• These springs offer a lower alternative mass and a lower variable natural frequency rate

Applications

• 2015–2019 F30/F31/F34 340i
• 2016–2019 F32/F33/F36 440i
• 2016–2019 G11/G12 740i/Li
• 2016–2019 F20/F21 M140i
• 2016–present F22/F23 M240i
• 2017–present G30/G31 540i
• 2017–present G32 640i
• 2017–present G01 X3 M40i
• 2018–present G02 X4 M40i
• 2018–present G05 X5 xDrive40i/sDrive40i
• 2018–present G07 X7 xDrive40i
• 2020–present G06 X6 xDrive40i
• 2020–present G11/G12 740i
• 2019–present G14/G15/G16 840i
• 2020-present Toyota Supra
• 2019–present G20 M340i
• 2019–present G21 M340i
• 2020–present G22 M440i

What's In The Box?

• 24 - Springs
• 12 - Retainers

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.