SKU: 400-8034 | UPC: 672036030377
ARP M8 x 1.25 x 51mm Broached Stud Kit – 16 Pcs. for 1989-1998 Nissan 240SX Silvia SR20DE/DET
Secure your Nissan SR20DE and SR20DET engines with this ARP main stud kit featuring M8 x 1.25 x 51mm broached studs and matched hardware (16 pieces total). Designed for 1989-1998 Nissan 240SX S13/S14 Silvia S13/S14 and 180SX applications with SR20 engines. Provides reliable clamp load retention to prevent main cap movement under high cylinder pressures and boost levels.
Key Features
- ARP 2000 Alloy Construction: Rated at 220000 PSI tensile strength to handle extreme horsepower and racing stress
- Stud Design: Allows straight rotation into block threads reducing wear and ensuring even preload distribution
- Broached Hex Drive: Enables precise installation using standard sockets without thread damage
- Matched 12-Point Nuts and Hardened Washers: Included for complete kit and repeatable torque accuracy
- Application-Specific Engineering: Perfect lengths and threads for SR20DE Blacktop and SR20DET Redtop/Blacktop mains
Product Notes
- Inspect block threads for damage before installation
- Use ARP Ultra-Torque lubricant on threads and under nut faces
- Ships in protective ARP packaging to prevent damage
Installation Notes
- Professional installation recommended.
- Torque to ARP specs (70-80 ft-lbs dry or per lube instructions) in 3 steps following main cap sequence
- Compatible with OEM main caps. re-torque after 500 miles or initial heat cycles
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1994 | Nissan | Silvia | S13 SR20DE/DET |
| 1991-1994 | Nissan | 200SX | SE-R SR20DE |
| 1991-1996 | Nissan | 180SX | RPS13 SR20DET |
| 1995-1998 | Nissan | 240SX | S14 SR20DET |
| 1995-1998 | Nissan | Silvia | S14 SR20DE/DET |
Why Choose ARP?
- Proven in NHRA Top Fuel and Formula 1 racing for decades
- Manufactured to aerospace standards in the USA
- Precision rolled threads for fatigue resistance and consistent performance
Frequently Asked Questions
- Q: Will this kit fit both redtop and blacktop SR20DET engines?
A: Yes it fits all SR20DET redtop blacktop variants and blacktop SR20DE main journals perfectly - Q: What material are the studs made from?
A: ARP proprietary 2000 series alloy steel with 220000 PSI tensile strength and excellent fatigue resistance - Q: What is the warranty and installation support?
A: ARP offers defect replacement. includes torque specs and sequence guide for reliable setup
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: ARP branded box approx 6 x 4 x 1.5 inches
- Weight: 0.65 lbs
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