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Fulfillment From Multiple U.S. Warehouses
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Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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Brian Crower
Brian Crower BC0400S Valve Spring and Steel Retainer Kit - Mazda MZR
$195.00
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
The Brian Crower BC0400S Valve Spring and Retainer Kit is engineered to provide the high-RPM stability required for high-performance Mazda MZR engines. This kit replaces factory components to prevent valve float and ensure reliable valvetrain operation under increased boost or when using aggressive aftermarket camshaft profiles.
Each kit features precision-wound valve springs designed to handle higher lift and increased seat pressure. The included steel retainers offer exceptional long-term durability and fatigue resistance, making them an ideal choice for street-performance builds and endurance applications where component longevity is a primary concern.
- Designed specifically for the Mazda MZR engine platform
- Includes high-performance valve springs and durable steel retainers
- Prevents valve float at high RPM and during high-lift cycles
- Steel construction for superior fatigue resistance over factory components
- Manufacturer Part Number: BC0400S
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1340 Cobb Dr, Unit 1, Eustis, FL 32736
352-234-4458
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Sat: 9:00 am – 2:00 pm
Sun: Closed
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Brian Crower BC0400S Valve Spring and Steel Retainer Kit - Mazda MZR
$195.00
This product will be available soon, but you can pre-order now to get on the list before others!
US Based Support - In Florida
30 Days Satisfaction Guarantee
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$195.00
$195.00
$195.00
The Brian Crower BC0400S Valve Spring and Retainer Kit is engineered to provide the high-RPM stability required for high-performance Mazda MZR engines. This kit replaces factory components to prevent valve float and ensure reliable valvetrain operation under increased boost or when using aggressive aftermarket camshaft profiles.
Each kit features precision-wound valve springs designed to handle higher lift and increased seat pressure. The included steel retainers offer exceptional long-term durability and fatigue resistance, making them an ideal choice for street-performance builds and endurance applications where component longevity is a primary concern.
- Designed specifically for the Mazda MZR engine platform
- Includes high-performance valve springs and durable steel retainers
- Prevents valve float at high RPM and during high-lift cycles
- Steel construction for superior fatigue resistance over factory components
- Manufacturer Part Number: BC0400S
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