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SKU: 102-5402 | UPC: 672036043780
ARP Nissan 3.0L VG30DE/DETT DOHC V6 Main Stud Kit 1989-1996 300ZX 1992-1997 J30
ARP main stud kit strengthens bottom end clamping in Nissan 3.0L VG30DE and VG30DETT DOHC V6 engines powering 1989-1996 Nissan 300ZX models and 1992-1997 Infiniti J30. Replaces weak factory bolts to handle increased cylinder pressures from turbocharging boosted power or high-revving naturally aspirated setups. Ensures block and main cap stability under extreme loads for reliable engine performance.
Key Features
- ARP2000 Alloy Construction: Forged steel composition provides 220,000 psi tensile strength to resist fatigue and stretching in high-horsepower applications
- Precise Thread Design: Rolled threads deliver accurate fit into Nissan VG30 blocks preventing cross-threading and ensuring even load distribution
- Complete Kit Contents: Includes 10 main studs 12-point nuts and hardened parallel washers for full main cap girdle assembly
- Heat Treatment Process: Double-tempered for durability under 1000+ hp builds common in 300ZX turbo swaps and race motors
- Reusable Design: Withstands multiple engine teardowns without replacement unlike torque-to-yield OEM bolts
Product Notes
- Torque studs to ARP specifications using moly or Ultra-Torque lubricant for accurate preload
- Inspect main caps and block registers before installation to avoid distortion
- Packed in protective plastic tray inside sturdy cardboard box
Installation Notes
- Professional installation recommended.
- Chase main bore threads with tap kit and clean with brake cleaner prior to assembly
- Compatible with stock main girdle ARP aftermarket girdles and billet caps
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1996 | Nissan | 300ZX | VG30DE |
| 1990-1996 | Nissan | 300ZX | VG30DETT |
| 1992-1997 | Infiniti | J30 | VG30DE |
Why Choose ARP?
- Backed by decades of motorsport use in drag racing and road course applications
- CNC-machined components meet aerospace tolerances for consistent performance
- Extensive dyno and track testing validates strength in real-world high-stress conditions
Frequently Asked Questions
-
Q: Will this kit fit twin-turbo 300ZX models?
A: Yes it fits all 1990-1996 Nissan 300ZX VG30DETT engines providing secure main fastening for stock or upgraded turbo setups -
Q: What material are the studs made from?
A: Premium ARP2000 proprietary alloy steel with superior fatigue resistance over 8740 chromoly used in many competitors -
Q: What is the warranty coverage?
A: Lifetime warranty against stud breakage when installed and torqued per ARP instructions excludes abuse or improper lubrication
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Protective tray in 6 x 5 x 2 inch box
- Weight: 1.95 lbs
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