Supertech 5mm Valve Lock 7 Degree Single Groove (KPR-5.0/7S) for BMW N54, Ford 1.5/1.6, Vauxhall/Opel A18XER Z16LER Z18XER – Valve Keeper/Collet

Supertech 5mm Valve Lock 7 Degree Single Groove (KPR-5.0/7S) for BMW N54, Ford 1.5/1.6, Vauxhall/Opel A18XER Z16LER Z18XER – Valve Keeper/Collet

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Supertech 5mm Valve Lock 7 Degree for BMW, Ford and Vauxhall

Upgrade your valvetrain with the Supertech 5.0 mm Valve Lock 7 Degree, part number KPR-5.0/7S. This precision valve lock, also known as a valve keeper or valve collet, is engineered for reliability and consistency in high performance builds and daily driven cars alike. Ideal for BMW N54, Ford 1.5 and 1.6 applications, and Opel/Vauxhall A18XER, Z16LER, Z18XER engines, this 7 degree single groove conversion lock delivers the secure valve retention you need for tuned, turbocharged and track-focused engines.

Why choose Supertech 5mm Valve Locks

  • 7 degree single groove design for precise, consistent valve retention
  • 5.0 mm stem size fitment for compatible BMW, Ford and Vauxhall engines
  • Manufactured to meet or exceed stringent industry standards
  • Premium quality construction for dependable performance at high RPM
  • Perfect for performance engine builds, head refreshes and valvetrain upgrades

We use these Supertech valve locks in our own builds and our customers have been consistently happy with the fit, finish and long term reliability. If you are searching for 5mm valve locks, 7 degree valve keepers, single groove valve collets for BMW N54, Ford 1.6 or Vauxhall A18XER/Z16LER/Z18XER, this is the proven solution.

Key details

  • Product: Supertech 5.0 mm Valve Lock 7 Degree
  • Part number: KPR-5.0/7S
  • Type: 7 degree single groove keeper/collet
  • Use: 2 keepers per valve
  • Guide: 16 valve engines require 32 keepers
  • Sold individually: order the quantity you need

Compatibility

Confirmed applications that use 5.0 mm single groove keepers:

  • BMW 3.0 Turbo N54B30A
  • Ford 4cyl 1.6 Base
  • Ford 4cyl 1.6 S
  • Ford 4cyl 1.6 SE
  • Ford 4cyl 1.6 SE Turbo
  • Ford 4cyl 1.5 SE Turbo
  • Ford 4cyl 1.6 SEL
  • Ford 4cyl 1.6 SES
  • Ford 4cyl 1.6 ST Turbo
  • Ford 4cyl 1.6 Titanium
  • Opel / Vauxhall A18XER 1.8
  • Opel / Vauxhall Z16LER 1.6
  • Opel / Vauxhall Z18XER 1.8

Search terms you might know these by: BMW N54 valve locks 5mm, BMW N54 7 degree keepers, Ford 1.6 valve collets, Ford 1.5 Turbo valve keepers, Vauxhall Z16LER valve locks, Vauxhall A18XER valve collets, Vauxhall Z18XER 7 degree keepers, Supertech KPR-5.0/7S.

Fitment and installation

Professional fitting is recommended. We offer installation and head build services at Nforcd in Warwickshire. To request a fitting or build quote, contact Sales@nforcd.com.

Always verify your engine uses 5.0 mm valve stems and 7 degree single groove components. If you are pairing with aftermarket valve springs and retainers, confirm compatibility before purchase.

What is included

1 x Supertech 5.0 mm Valve Lock 7 Degree (single keeper)

Manufacturer

Supertech

Why buy from Nforcd

Performance car parts specialists with hands-on engine build experience. Trusted advice, proven parts and excellent customer feedback on Supertech valve train components. Order your Supertech KPR-5.0/7S 5mm 7 degree valve locks from Nforcd with confidence.