SKU: 22002-AN025 | UPC: 4957266642061
HKS Nissan S13 SR20DET 256 Intake Camshaft 1989-1994
The HKS 256 Intake Camshaft upgrades the Nissan S13 SR20DET engine in 1989-1994 Silvia and 180SX models. This high-angle cam delivers increased valve duration for better mid-to-high RPM power and throttle response. Pair it with matching valve springs for full potential in tuned builds.
Key Features
- 256 Degree Duration: Extends intake valve timing to pull in more air at high RPM for stronger top-end power gains
- 11.15mm Lift: Raises intake valves higher to improve airflow volume without excessive stress on valvetrain
- High-Strength Steel Construction: Heat-treated and precision-ground for durability under boost and high revs
- Direct Bolt-On Fit: Matches factory journal sizes for seamless installation on SR20DET Blacktop engines
- Optimized Profile: Balances power delivery with drivability for street and track use
Product Notes
- Valve spring upgrade recommended for revs over 8500 RPM to prevent coil bind
- Verify piston-to-valve clearance before full assembly
- Store in dry conditions to maintain surface finish
Installation Notes
- Professional installation recommended.
- Set intake valve lash to 0.22-0.28mm cold after install
- Requires cam timing adjustment using HKS specs or degree wheel
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1993 | Nissan | 180SX | SR20DET |
| 1989-1994 | Nissan | Silvia S13 | SR20DET |
| 1990-1994 | Nissan | 240SX S13 | SR20DET Swap |
Why Choose HKS?
- Proven in JDM motorsport since 1973
- Engineered in Japan for SR20DET reliability
- Exact tolerances from CNC grinding process
Frequently Asked Questions
- Q: Will this cam fit my swapped SR20DET in a 240SX S13?
A: Yes it bolts directly to SR20DET Blacktop heads in S13 chassis with no modifications - Q: What material is the cam made from?
A: Billet steel with special hardening treatment for heat and wear resistance - Q: Do I need upgraded valve springs?
A: HKS Super Intake Springs recommended for safe operation above 8000 RPM
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Protective tube inside box 24 x 4 x 4 inches
- Weight: 2.6 lbs
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