Engines and Components› Camshafts and Valvetrain

Brian Crower

Brian Crower Mazda MZR Valve Spring & Retainer - Steel Retainers

$195.00

SKU: B00I BC0400S

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Brian Crower BC0400S is a single valve spring and steel retainer kit designed for high RPM applications. These valve springs are made by PAC Racing from high-grade, super clean, chrome silicone alloy with proprietary processing for consistent pressures. The kit features a BC1400 Single spring type, with a free length of 1.788", seat pressure of 86 lbs at 1.400", and open pressure of 190 lbs at 1.000".

Fitment

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Specifications

BrandBrian Crower
Part NumberB00I BC0400S

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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