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Brand new OEM Nissan Valve Spring Retainer Locks for all '90+ Nissan 300zx models.

Used to physically "lock" the valve stem into the valve spring retainer, these tiny pieces of metal are critical to ensuring that the valve opens properly.

Sold in pairs of two (2). You may purchase a single set, set of 12 or a set of 24 Lock pairs.

Please choose the appropriate quantity from the options menu below:


  • 1990-1996 Nissan 300ZX
    • Twin Turbo VG30DETT
    • Non Turbo VG30DE

Available Options:


We maintain a large inventory of used OEM parts, from engines & transmissions to interior pieces & electronics.  We have a separate off site 20,000 sq ft warehouse packed full of used Z parts. Our used parts are typically pulled once a week only. Orders placed throughout the week will ship the following week. Please note that all USED parts are pulled from an unreplenished inventory. We will pull the best part we can find for your order, please do not expect these parts to look brand new. If you select an express shipping option, your order will ship on that service after the used part has been pulled for your order!
Due to the massive size our used parts inventory, not all items are currently online.  Please contact our Parts Department at (770) 838-7777 or email for used part inquiries.


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