SKU: 301-8308
ARP M9 8740 Black Oxide 12-pt Nut Kit
ARP M9 8740 Black Oxide 12-pt Nut Kit delivers 25 high-strength 12-point nuts for critical engine fasteners in performance builds. Thread size M9 x 1.25 fits rod bolts mains studs cylinder heads across M9 bolt applications. 180000 PSI tensile strength handles extreme loads with thick wall design for clamping force and durability.
Key Features
- 8740 Chromoly Steel: Forged alloy rated 180000 PSI tensile strength resists fatigue in high horsepower engines
- 12-Point Head: Wrench flats lock securely reduce rounding during high torque assembly
- Black Oxide Finish: Shields against corrosion in fuel oil exposed environments
- Thick Wall Construction: Adds rigidity prevents thread stripping under boost or nitrous
- 25 Nut Kit: Bulk pack covers multiple rods mains or heads in one rebuild
Product Notes
- Confirm M9 x 1.25 thread match on studs bolts before use
- Apply ARP thread lube for accurate torque values
- Packed in protective case prevents damage during storage
Installation Notes
- Professional installation recommended.
- Torque to ARP specs using calibrated wrench avoid dry install
- Matches ARP Pro Series studs bolts rod ends
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | M9 x 1.25 Applications | Rod Bolts Main Studs Head Studs |
Why Choose ARP?
- Engineered for NHRA Top Fuel drag racing wins
- USA made with exact thread rolling for fit
- 200000 PSI capable materials standard
Frequently Asked Questions
- Q: What thread size does this nut kit fit
A: M9 x 1.25 threads standard on many ARP rod bolts main studs cylinder head fasteners - Q: What material and finish are used
A: 8740 chromoly steel construction with black oxide coating for strength and rust resistance - Q: What warranty applies
A: ARP backs with defect guarantee contact manufacturer for claims
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective plastic case 4 x 3 x 1 inches
- Weight: 0.35 lbs
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