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Supertech Valve Springs

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Supertech High Performance Valve Spring Set - E36 M3, 325i, 328i - Titanium Retainers
Supertech High Performance Valve Spring Set - E36 M3, 325i, 328i - Ti...
Supertech - Corporate Logo
T#:302460
Part#: SPRK-H1000DBM
Ships in 6 Business Days
$ 787.99 USD
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$ 787.99 USD
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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.
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Supertech BMW S54 Dual VALVE Spring Kit - E46 M3 Z3M Z4M
Supertech BMW S54 Dual VALVE Spring Kit - E46 M3 Z3M Z4M
Supertech - Corporate Logo
T#:7403169
Part#: SPRK-2521-2BM-T1
In Stock at Vendor
$ 1,050.99

This product was last offered at the strikethrough price on
05-03-2026

$ 944.99 USD
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$ 944.99 USD
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Dual valve spring kit to be used with triple groove valves and OEM locks.
Performance Valve Springs Kit - Set of 16 Beehive Style
Performance Valve Springs Kit - Set of 16 Beehive Style
Supertech - Corporate Logo
T#:18302503
Part#: SPR-MC56BE
In Stock
$ 261.99 USD
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$ 261.99 USD
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Performance Valve Spring Kit

This valve spring kit, designed for performance built engines, is a critical component for those demanding peak performance from their vehicles. The kit includes a set of 16 springs that mount to the stock OEM retainers.

Key Features:

  • Valve Spring Type: Beehive Spring
  • Outer Spring Outer Diameter: 23.30mm
  • Outer Spring Inner Diameter: 16.80mm
  • Inner Spring Outer Diameter: 18.80mm
  • Inner Spring Inner Diameter: 12.30mm
  • Pressure Seat: 65 @ 33.6mm
  • Pressure Open: 163 @ 10
  • Maximum Lift: 11.40mm
  • Coil Bind: 22.20mm
  • Spring Rate: 9.80mm
  • Retainer: OEM Retainer + OEM Seat

Upgrade your engine's performance with this high-quality valve spring kit, ensuring optimum power and reliability.

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Performance Dual Valve Spring Kit with Steel Retainers - Set Of 24
Performance Dual Valve Spring Kit with Steel Retainers - Set Of 24 ...
Supertech - Corporate Logo
T#:21604308
Part#: SPRKFE20N54BE
Ships in 5 Business Days
$ 965.99 USD
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$ 965.99 USD
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Supertech has the high performance valvetrain components you need to take your build to the next level. ​Can be used with factory valve stem seals and keepers. InnSpr.OD: 21mm InnSpr.ID: 14.2mm Seat Pressure: 75 @ 36.5 Open Pressure: 155 @ 10 Max Lift: 12mm Coil Bind: 23.2mm Rate: 8 Kit spring: SPR-FE20BE Kit spring qty: 24 Retainer: RET-BMN54-TI (5mm) / RET-BMN54-TE (6mm) OutSpr.OD: 24.4mm OutSpr.ID: 17.6mm Retainer qty: 24
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Supertech High Performance Valve Spring Set - E46 M3, MZ3 (S54), MZ4
Supertech High Performance Valve Spring Set - E46 M3, MZ3 (S54), MZ4 ...
Supertech - Corporate Logo
T#:11760
Part#: TMS11760
Ships in 9 Business Days
$ 1,038.99 USD
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$ 1,038.99 USD
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For BMW's with S54 engines, these valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for high performance and durability at high rpms, with better memory. These are extremely high quality, offered at the best price.

Computer designed to ensure that the wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme racing conditions. Computer software allows Supertech to make sure that the harmonics are well under control.

The retainers are manufactured with high quality military certified Titanium alloy, CNC machined for a tight fit that will ensure a long durability.

This item fits the following BMWs:
2001-2006 E46 BMW M3
2001-2002 Z3 BMW M Roadster M Coupe
2006-2008 E85 BMW Z4 M Roadster M Coupe
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Supertech High Performance Valve And Spring Kit - B58
Supertech High Performance Valve And Spring Kit - B58
Supertech - Corporate Logo
T#:641511
Part#: SUP-HPVK-B58
Ships on Oct 15, 2026
$ 2,339.99 USD
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$ 2,339.99 USD
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Upgrade your valvetrain with Supertech components Kit Contains: 12 Nitride Intake Valves 24 Intake Valve Keepers 12 Inconel Exhaust Valves 24 Exhaust Valve Keepers 24 High Performance Valve Springs 24 Titanium Retainers
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