SpeedFactory Racing / BME Outlaw Pistons for Honda B-Series
85 mm Bore with 22 mm Wrist Pins | Forged Arias Set – Part # SF‑BME‑218400
Designed for race-level turbocharged builds, the SpeedFactory Outlaw piston set combines Arias’ superior forging quality with custom design enhancements for ultra-high boost reliability. These pistons support drag race or street performance applications pushing 1,000+ hp to the wheels.
🔧 Engineering Highlights:
Designed in collaboration with Arias: beefed-up version of their top-tier turbo piston for high boost durability
Thicker ring pack zones, reinforced skirts, and added material in critical areas to handle 40+ psi and abuse at 1000+ hp
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Golden Eagle Mfg.
Flat top profiles with optimized ring positioning for stable combustion and consistent sealing under load
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⚙️ Specs & Fitment:
🔩 Bore Diameter: 85 mm
📏 Wrist Pin Size: 22 mm (selectable)
✅ Material: Forged aluminum alloy by Arias with precision machining
Designed for use in B-Series DOHC VTEC engines (e.g. B16, B18C) for 94–01 Integra and Civic Type R/Si platforms
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🚀 Performance Benefits:
Handles extreme boost and high-RPM applications
Resists ring breakage and skirt deformation common in high-power engines
Delivers consistent compression and piston position with minimal thermal expansion
Built to support race engines and heavy-duty drag applications without compromising reliability
📦 Included in Set:
4× Outlaw forged pistons
Premium wrist pins (22 mm) and pin locks
Matching piston rings
Packaged per SpeedFactory standards, ready for installation
🚗 Ideal Applications:
E85 or methanol-powered turbo builds
Drag race engines over 600+ hp or inconsistent street engines
K-series and B-series swaps with high-compression or forced-induction focus
High-octane weekend builds where durability is non-negotiable
⚠️ Ordering Notes:
Multiple bore and pin-size options available—ensure you select 85 mm × 22 mm
Piston compression ratio may vary based on head, gasket, rod, and stroke choices
Contact for custom CC match or compression ratio adjustments if needed
