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BRIAN CROWER 5.5mm Exhaust Valve Guides for Honda K20A K20Z K24A VTEC

BRIAN CROWER 5.5mm Exhaust Valve Guides for Honda K20A K20Z K24A VTEC

Part Number: BC3905

Brian Crower Honda K-Series Exhaust Valve Guides

Premium manganese silicon aluminum bronze exhaust valve guides engineered for high-RPM and forced-induction Honda K20 and K24 engine builds.

Key Features

  • ☑ Precision CNC machined from high-grade Manganese Silicon Aluminum Bronze alloy
  • ☑ Superior thermal conductivity for rapid heat transfer away from exhaust valves
  • ☑ Low friction coefficient reduces valve stem wear and prevents galling
  • ☑ High resistance to cracking and corrosion under elevated engine temperatures
  • ☑ 100% compatible with standard OEM valves and Brian Crower stainless steel valves

Technical Specifications

Manufacturer Brian Crower (BC)
Part Number BC3905
Engine Compatibility Honda K-Series (K20A, K20A2, K20Z, K24A)
Valve Position Exhaust
Stem Diameter 5.5mm
Material Manganese Silicon Aluminum Bronze Alloy

What’s Included in the Box

  • 8x Brian Crower Manganese Bronze Exhaust Valve Guides (BC3905)

Engineered to withstand extreme cylinder pressures and exhaust temperatures, Brian Crower valve guides offer reliable performance for motorsport and high-horsepower applications. As an official UK distributor, JP Racing provides authentic Brian Crower components, specialized technical advice, and fast UK dispatch.

 

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At JP Racing (Devon) Ltd, we specialise in the high-stakes world of extreme performance. As a leading UK distribution warehouse, we provide the technical backbone for the most demanding sectors in motorsport. A Vision Realised. While the JP Racing name was established in 2025, our story spans over 20 years of expertise in e-commerce and high-end parts distribution. Specialised Distribution for Specialised Sports. We have moved away from the traditional workshop model to focus entirely on what we do best: sourcing and supplying the finest automotive components on the planet. Our warehouse is built around three core pillars:

  • Drag Racing
  • NASCAR
  • American Muscle Drifting