Brian Crower Mazda MZR Single Spring/Steel Retainer Kit BC0400S

Order by the exact part number shown in the title. This part number has closely related variants that are not interchangeable — for example intake vs. exhaust, standard vs. heavy-duty, or a single unit vs. a set.

Genuine Brian Crower performance component.

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures.

Engine Applications

• MZR

Vehicle Fitment

• 2007-2013 Mazda 3
• 2013-2015 Mazda MX-5 Miata

Please confirm the engine code against your build before ordering.

Specifications

• Brand: Brian Crower
• Manufacturer Part Number: BC0400S
• Supplier Part Number: brcBC0400S
• Item Type: Spring & Retainer Kits
• Condition: New
• Type: BC1400 Single
• Free Length: 1.788"
• Seat: 1.400" @ 86 lbs
• Open: 1.000" @ 190 lbs
• Coil Bind: 0.835"
• Retainer: BC2400S
• Net Cam Lift: 0.480" / 12.19mm
• Shipping Weight: 2.1 lb

Manufacturer Part Number: BC0400S

Images are for illustrative purposes only. Actual product may vary.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.