SKU: 52001-AK142 | UPC: 4957266456064
HKS SUPER OIL Premium API SP 10W40 4L – Universal for Performance Vehicles
HKS Super Oil Premium API SP 10W40 4L is a fully synthetic motor oil designed for high-revving gasoline engines in performance vehicles. It fits any car SUV or truck requiring SAE 10W-40 viscosity with API SP certification including popular JDM models like Subaru WRX STI Nissan 350Z and Mitsubishi Lancer Evolution. This oil reduces friction boosts power delivery and maintains stability under extreme heat and load for reliable engine protection.
Key Features
- Fully Synthetic PAO + Ester Base: Delivers superior film strength and shear resistance to protect bearings cams and pistons during high-stress operation
- API SP / ILSAC GF-6A Certification: Prevents low-speed pre-ignition in turbocharged direct-injection engines while meeting latest fuel economy standards
- 10W-40 Viscosity Profile: Flows easily at startup for fast lubrication and holds steady at track temperatures up to 150C
- Low Friction Additives: Cuts internal drag by up to 20% improving throttle response horsepower and MPG without sacrificing durability
- 4L Capacity: Matches standard drain intervals for 4-6 quart sumps providing complete fresh oil changes without waste
Product Notes
- Confirm your engine manual specifies 10W-40 or compatible viscosity before use
- Store in a cool dry location to preserve additive performance
- Handle as flammable liquid avoid skin contact and dispose per local regulations
Installation Notes
- Professional installation recommended.
- Warm engine before draining old oil for complete removal of contaminants
- Pair with high-flow oil filter compatible with API SP oils for optimal flow
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2021 | Subaru | Impreza | WRX STI |
| 1998-2002 | Nissan | Silvia | S15 Spec-R |
| 2003-2009 | Nissan | 350Z | Track NISMO |
| 2003-2015 | Mitsubishi | Lancer Evolution | VIII-IX-X MR FQ |
| 2012-2023 | Toyota | 86 | GT TRD |
| 1999-2009 | Honda | S2000 | AP1 AP2 |
| 2007-2021 | Subaru | Legacy | GT Spec B 3.0R |
Why Choose HKS?
- Proven in Super GT D1GP and WRC racing environments
- Backed by 50 years of Japanese precision engineering
- Formulated specifically for boosted and naturally aspirated performance motors
Frequently Asked Questions
- Q: Will this fit my Subaru WRX STI?
A: Yes it suits 2004-2021 WRX STI models requiring 10W-40 API SP oil for turbocharged EJ25 engines with excellent shear protection - Q: Is HKS Super Oil fully synthetic?
A: Yes 100% chemical synthetic using PAO and Ester base oils for unmatched purity and high-temperature performance - Q: What is the warranty on this oil?
A: Follow your vehicle manufacturer’s service interval typically 5000 miles for track use or 7500 miles street HKS guarantees performance within specs
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: 4L metal canister in reinforced cardboard box 11 x 8 x 14 inches
- Weight: 9 lbs
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