Exterior Components› Body Panels and Components

PAC RACING SPRINGS

Valve Locks GM 604 Crate Engine

$98.35

SKU: P05C PAC-L8157-16

In Stock
In Stock
Ships by Jun 15
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The PAC Racing Springs PAC-L8157-16 is a set of 16 valve locks designed for durability and consistent performance. These locks are constructed from steel and feature a square groove type.

They are designed to fit valve stems with a diameter of 0.34300 in. or 5/16 in. and are set to a standard installation height. The product is specifically mentioned for use with the GM 604 Crate Engine.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandPAC RACING SPRINGS
Part NumberP05C PAC-L8157-16

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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