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SKU: 202-4307 | UPC: 672036042271
ARP Nissan KA24E (SOHC) 2.4L 4cyl Head Stud Kit 1989-1997
ARP head stud kit 202-4307 upgrades Nissan KA24E SOHC 2.4L engines with stronger fasteners that maintain clamp load under extreme pressure. Fits 1989-1997 Nissan 240SX, Pickup, D21 truck, Axxess, and Stanza models for street or track use. Provides consistent torque and resistance to fatigue for reliable cylinder head sealing.
Key Features
- ARP 8740 Alloy Steel: High-tensile strength withstands boost and high RPM without stretching
- Stud Design: Distributes load evenly to minimize main cap distortion and block damage
- Rolled Threads: Increases fatigue strength by 350% over cut threads for precise torque accuracy
- Matched Washers: Hardened steel washers ensure even load distribution during install
- Black Oxide Finish: Resists corrosion and simplifies lubrication application
Product Notes
- Kit includes 10 head studs, 10 washers, and torque guidelines for KA24E
- Retorque after 500 miles or first heat cycle for optimal sealing
- Ships in protective ARP packaging to prevent thread damage
Installation Notes
- Professional installation recommended.
- Clean cylinder block threads thoroughly before assembly
- Use ARP Ultra-Torque lubricant on threads and under washer faces
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1990 | Nissan | 240SX | SE |
| 1989-1990 | Nissan | 240SX | XE |
| 1990 | Nissan | Axxess | SE |
| 1990 | Nissan | Axxess | XE |
| 1990-1994 | Nissan | D21 | Base |
| 1994 | Nissan | D21 | XE |
| 1995-1997 | Nissan | Pickup | Base |
| 1996-1997 | Nissan | Pickup | SE |
| 1995-1997 | Nissan | Pickup | XE |
| 1990-1992 | Nissan | Stanza | GXE |
| 1992 | Nissan | Stanza | SE |
| 1990-1992 | Nissan | Stanza | XE |
Why Choose ARP?
- Proven in NHRA and endurance racing for decades
- Engineered to ARP 220,000 psi tensile strength specs
- CNC-machined for exact fit and repeatable performance
Frequently Asked Questions
-
Q: Will this kit fit KA24DE DOHC engines?
A: No, designed specifically for KA24E SOHC 2.4L only, verify engine code before purchase -
Q: What material are the studs made from?
A: Forged 8740 chrome moly steel, heat-treated to ARP specs with rolled threads for maximum strength -
Q: Does ARP offer a warranty on this kit?
A: Yes, lifetime warranty against fastener failure when installed per ARP instructions
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Sealed ARP box, 8 x 6 x 2 inches
- Weight: 2.1 lbs
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