Brian Crower DUAL SPRING/STEEL RETAINER/SEAT KIT

Honda/Acura K20A/K20Z, F20C/F22C 2000–2025

Part #: BC0040S

Overview

The Brian Crower DUAL SPRING/STEEL RETAINER/SEAT KIT is a high-quality upgrade designed for Honda and Acura enthusiasts looking to enhance their engine's valvetrain performance. Specifically engineered for K20A, K20Z, F20C, and F22C engines, this kit is ideal for those seeking increased reliability and durability under high-performance conditions. Whether you're building a street monster, a track-ready machine, or a high-mileage rebuild, this kit provides the essential components to support aggressive cam profiles and higher RPM operation.

By replacing the factory valvetrain components with Brian Crower's premium dual springs, steel retainers, and seats, you'll experience improved valve control, reduced valve float, and enhanced overall engine stability. This results in better throttle response, increased horsepower potential, and longer component lifespan, making it a must-have for serious performance builds.

Key Features

Designed with performance and durability in mind, the Brian Crower dual spring and retainer kit offers several technical advantages:

• High-quality dual valve springs crafted from premium materials to withstand increased spring pressures and high RPM operation.
• Steel retainers and seats engineered for maximum strength and heat resistance, ensuring reliable valve seating under demanding conditions.
• Precision-machined components that meet or exceed OEM specifications for perfect fitment and seamless installation.
• Enhanced valve control reduces float and bounce, supporting aggressive camshaft profiles and higher lift applications.
• Improved durability and longevity, ideal for high-mileage engines or those subjected to spirited driving and racing conditions.
• Manufactured by Brian Crower, a trusted name in performance engine components, ensuring top-tier quality and performance.

Construction & Design

This valvetrain upgrade features meticulously engineered components made from durable steel alloys designed to handle increased spring pressures and high RPM stresses. The dual springs are carefully selected and tested to provide optimal seat and open pressures, reducing valve float and ensuring consistent valve timing. The steel retainers and seats are precision-machined for a perfect fit, providing a secure seal and preventing valve seat recession. The entire kit is designed for straightforward installation, utilizing OEM mounting points and specifications to ensure a hassle-free upgrade that maintains engine integrity and performance.

Installation & Fitment

The Brian Crower dual spring and retainer kit is a direct bolt-on upgrade for Honda/Acura K20A, K20Z, F20C, and F22C engines. No cutting, drilling, or major modifications are required. Basic hand tools and mechanical knowledge are sufficient for installation. It is recommended to perform a proper valve clearance check and, if necessary, a professional valve lash adjustment after installation to ensure optimal performance and longevity.

• Designed for use with stock or aftermarket camshafts that require higher spring pressures.
• Compatible with engines in vehicles from 2000 to 2025, including street, race, and high-performance builds.

What's Included

• Set of dual valve springs
• Steel retainers
• Valve seats
• Installation hardware and instructions

Ideal For

• Performance enthusiasts building high-RPM or forced induction engines
• Engine rebuilds aiming for increased reliability and longevity under high stress
• Street and track applications demanding improved valve control
• High-mileage engines requiring upgraded valvetrain components for extended service life