Core product highlights
Performance classification:
✅ Street Version: Original replacement, improve low torque by 8%
✅ Track Version: High-angle design, support 1.5Bar boost value
Material technology:
Silicon nitride ceramic coating (friction reduction of 15%)
Carburized hardened layer depth of 1.2mm (life increased by 30%)
Applicable scenarios:
Original repair / Stage 1-3 power upgrade / track day car
Applicable models and technical parameters
Model Production year Engine code Key market
Mazda6 (GJ) 2012-2018 BL20 (PE-VPS) North America, Australia
Mazda CX-5 (KF) 2017-2023 BL20 (PY-VPTS) Europe, Middle East
Turbo modification program Custom Builds BL20-T (modified version) Japan, Southeast Asia modification market
Technical parameters IN: WE-01-12-420 EX: WE-01-12-440
Material JIS-SCM435H chrome-molybdenum steel JIS-SCM435H + TiAlN coating
Cam lift 10.2mm (+12% vs OEM) 9.8mm (+10% vs OEM)
Applicable speed range 800-7,200 RPM 800-7,500 RPM
Warranty terms 24 months/unlimited mileage (track version) 36 months/100,000 kilometers (street version)
Installation and adjustment guide
Tools required:
Mazda M-MDS diagnostic instrument (reset VVT learning value)
Torque wrench (20-120Nm, accuracy ±1%)
Key steps:
Record the original VVT phaser angle before disassembly (to avoid timing misalignment)
Tighten the bearing cap in 3 times in a cross sequence (30Nm→45Nm→60Nm)
Use ARP camshaft installation lubricant (P/N 100-9905)
ECU tuning suggestions:
Street version: air-fuel ratio correction ±5%, ignition advance angle +3°
Track version: requires high-pressure fuel pump and ECU remap
Global customer solutions
Fast delivery:
North America/Europe: 3-day delivery (UPS/FedEx priority)
Asia: 1-day delivery (direct delivery from Japan/Singapore warehouse)
Technical support:
Provide MazdaEdit tuning files (Base Map)
Online engineer support (Zoom/TeamViewer remote diagnosis)
FAQ (solving modification pain points)
Q: Is the track version compatible with the original VVT system?
A: Fully compatible, but it is recommended to upgrade the High-RPM VVT controller (optional).
Q: Is high-ethanol gasoline (E85) applicable?
A: The track version comes standard with ethanol fuel coating (no additional cost).
Q: Can you provide material certification?
A: Each set comes with a JIS material report and 3D contour detection data.
