The HKS Camshaft Step 1 256° (Part No. 22002-AN023) is a high-performance camshaft designed specifically for the Nissan SR20DE(T) engine. This camshaft aims to enhance engine output by improving air intake and exhaust flow, making it suitable for motorsports and performance driving.
The HKS Camshaft Step 1 256° is engineered to offer a solid balance between increased engine performance and drivability. Its 256° duration allows for better airflow into the engine, improving the combustion process and providing more power, especially at mid to high RPMs. This camshaft is designed to work with stock valve springs and hydraulic lash adjusters, ensuring compatibility with a broad range of setups.
Camshaft Type: Intake
Designed specifically for the intake side of the SR20DE(T) engine, this camshaft improves intake flow and engine performance.
Duration: 256°
The 256° duration increases the engine's ability to take in air and exhaust gases, improving power output across a broader RPM range.
Maximum Valve Lift: 11.5mm
The camshaft allows for a maximum valve lift of 11.5mm, enabling more air and fuel to enter the combustion chamber, which is essential for performance tuning.
Valve Timing:
Open Timing (ATDC): -11°
Close Timing (ABDC): 49°
Lobe Center (ATDC): 120°
Total Duration at 1mm Lift: 218°
Compatibility:
Stock Valve Springs: This camshaft is designed to be used with stock valve springs, making it ideal for a wider range of setups without requiring upgraded springs.
Hydraulic Lash Adjusters: It is compatible with stock hydraulic lash adjusters, ensuring smooth operation without excessive noise.
Maximum RPM:
Designed for engines that operate up to 7,500 RPM (for PS13/RPS13 models), providing reliable performance for high-revving applications.
Designed for Motorsports:
The Step 1 camshaft is developed primarily for closed-circuit racing, where high-performance and durability are key. It is ideal for performance applications like track days and spirited driving.
Valve Springs: Should be used with stock valve springs.
Hydraulic Lash Adjusters: The camshaft is compatible with stock hydraulic lash adjusters, which are designed for smoother operation.
Maximum RPM: The camshaft is rated for an RPM limit of 7,000 RPM for S14/S15 models and 7,500 RPM for PS13 models.
Additional Components: For those frequently using higher RPMs, it's recommended to pair this camshaft with HKS rocker arm stoppers to prevent wear and improve reliability.
| Specification | Details |
|---|---|
| Engine Compatibility | Nissan SR20DE(T) |
| Camshaft Type | Intake |
| Duration | 256° |
| Maximum Valve Lift | 11.5mm |
| Valve Timing | Open: -11° ATDC, Close: 49° ABDC |
| Total Duration at 1mm Lift | 218° |
| Maximum RPM | 7,000 RPM (S14/S15), 7,500 RPM (PS13) |
| Compatibility | Stock Valve Springs, Hydraulic Lash Adjusters |
| Intended Use | Closed-circuit racing, performance driving |
