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SKU: ARP-6641003
GTIN / UPC: N/A
Made in: USA
Quality: ARP Premium 8740 Chrome Moly
N/A
664-1003
The ARP Metric Thread Bolt Kit (ARP #664-1003) includes five high-strength M12 x 1.50 bolts with a 35 mm under-head length. Manufactured from premium 8740 chrome moly steel and heat-treated for superior tensile strength, these bolts are designed for demanding motorsport and performance applications.
Each bolt is precision-machined with rolled threads for optimal fatigue resistance and consistent torque values. The black oxide finish provides added durability against wear and corrosion. Designed for use with a 14 mm hex socket, these bolts deliver reliable clamping force when tightened to the recommended torque specification of 133 Nm (98 ft-lbs).
Includes: 5-pack of ARP 664-1003 bolts.
| Spec | Value |
|---|---|
| 1. Under Head Length (UHL) | 35 mm (1.38 in) |
| 2. Thread Length | 30 mm (1.18 in) |
| 3. Grip Length | 5 mm (0.20 in) |
| 4. Thread Diameter / Pitch | M12 × 1.50 mm |
| 5. Grip Diameter | 12 mm (0.47 in) |
| 6. Wrench Size | 14 mm hex |
| 7. Head Height | 11.7 mm (0.46 in) |
| 8. Collar Diameter | 21.6 mm (0.85 in) |
| Torque Value* | 133 Nm (98 ft-lbs) |
Finish: Black oxide
Material: 8740 Chrome Moly steel
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