BRIAN CROWER 8x 30mm Exhaust Valves, Mazda MZR/MX5 & Ford Duratec
BRIAN CROWER 8x 30mm Exhaust Valves, Mazda MZR/MX5 & Ford Duratec
Part Number: BC3401
Brian Crower Stainless Steel Exhaust Valves (30mm Standard Head) – Ford Duratec / Mazda MZR
Engineered for extreme thermal loads and high-RPM motorsport environments, the Brian Crower BC3401 exhaust valve set delivers unyielding strength and optimized gas flow for high-output Ford Duratec and Mazda MZR engines.
Key Performance Features
- ☑ Forged Stainless Steel: Manufactured from premium high-temp stainless steel alloy to withstand extreme exhaust temperatures exceeding 1400°F.
- ☑ Friction-Welded Stellite Tip: Hardened Stellite stem tips prevent tip wear and galling under intense valve train loads and aggressive racing cam profiles.
- ☑ Undercut Stem Design: Reduces valvetrain reciprocating weight while enhancing exhaust flow velocity out of the cylinder head.
- ☑ Swirl-Polished Finish: Precision-polished under-head profile prevents carbon buildup and optimizes combustion chamber gas dynamics.
- ☑ Direct Factory Fitment: Standard 30.0mm head diameter fits seamlessly with standard valve seats in Duratec and MZR heads.
Technical Specifications
| Brand | Brian Crower (BC) |
|---|---|
| MPN | BC3401 |
| Valve Type | Exhaust |
| Head Diameter | 30.0mm (Standard Head Diameter) |
| Material | EV16 / EV8 High-Temp Stainless Steel |
| Stem Coating & Hardness | Chrome Coated / Hardened to 52Rc |
| Engine Applications | Ford Duratec & Mazda MZR (2.0L, 2.3L, 2.5L / MPS / Focus ST / EcoBoost) |
| Quantity Supplied | Set of 8 Valves |
What’s Included in the Box
- 8x Brian Crower Standard 30.0mm Stainless Steel Exhaust Valves (MPN: BC3401)
- Manufacturer Spec & Inspection Card
When pushing high boost or high RPM levels through your Ford Duratec or Mazda MZR engine, stock valves are prone to cupping and stem fatigue. Brian Crower heavy-duty stainless exhaust valves offer the structural integrity and thermal endurance required for reliable race performance. JP Racing stocks genuine Brian Crower products in the UK with fast nationwide delivery and dedicated customer technical support.