Honda

What Is the Honda B-series DOHC VTEC?

The Honda B-series is a family of 4-cylinder, dual overhead cam (DOHC) engines — with many variants featuring VTEC (Variable Valve Timing & Lift Electronic Control), Honda’s performance-enhancing system that improves power and efficiency. These engines are famous in the Honda tuning community for:
High-revving nature
Strong aftermarket support
Swap potential into older Hondas (Civic, Integra, CR-X, Del Sol, etc.).The variants include popular B16 (1.6 L) and B18C (1.8 L) models with VTEC.

🧠 B-series DOHC VTEC Engine Specs (Typical Examples)
🔹 B16A / B16A2 / B16B
Displacement: ~1.6 L
DOHC + VTEC: Yes
Power: ~160–185 hp (depending on version)
Best for: High-revving naturally aspirated builds and classic swaps
Notes: B16B (Type R unit) is the most desirable performance version.

🔹 B18C1
Displacement: ~1.8 L
DOHC + VTEC: Yes
Power: ~170 hp stock
Best for: Balanced torque and high rpm performance
Notes: Used in Acura Integra GSR.