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Stage 8

3904 - Fasteners Turbo Flange Bolt, Locking, 10 mm x 1.50 Thread, 25 mm Long, Hex Head, Steel, Nickel Plated, Set of 4

✅ In stock
F
Grade
💤 Not a Deal
18.02/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$59.89
Listed $60.99
Save $1.10 2% OFF
Analysis Confidence 90%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 18, 2026 3:18 AM · Prices & availability subject to change

Is This a Good Price on Amazon?

💤 Not a Deal
  • 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
  • 💰The current price sits right around what this item typically fetches.
  • 🏷️The listed retail price is trimmed by 2% at checkout.
  • 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
  • ➡️Pricing has held fairly steady, with no strong push in either direction.

How We Scored This Deal

Price Competitiveness 1.95/28
Recent Value 1.79/22
Market Standing 10.29/20
Deal Strength 0/20
Momentum 4/10

📝 Product Overview

🏪 Sold by Crazy4Performance
🚚 Shipping Free Shipping

Product Details

✓COMPLETE TURBO BOLT KIT (4-PIECE): Designed for high-performance automotive turbocharger systems, the Model 3904 kit includes (4) 10mm x 1.50 x 25mm locking bolts and all necessary hardware to securely fasten your turbo flanges.
✓FAIL-SAFE MECHANICAL LOCKING: Manufactured by Stage 8, this patented active mechanical locking system provides a fail-safe solution that prevents fastener loosening even under extreme engine vibration when installed as directed.
✓PREVENTS EXHAUST & BOOST LEAKS: Engineered to withstand the severe thermal expansion cycles of a turbocharger. The heavy-duty Grade 8 steel will not stretch when hot, ensuring your turbo flanges stay tightly sealed.
✓EASY INSTALLATION & FULLY REUSABLE: Features a double hex head that includes a recessed allen head for practical installation in tight engine bays. The locking mechanism is completely removable and reusable without losing performance.
✓INSTANT VISUAL INSPECTION: Equipped with a premium duplex nickel finish for maximum corrosion resistance. No need to put a wrench on to check tightness; the active locking mechanism allows for quick visual inspections.

⚙️ Specifications

Material
Nickel
Thread Size
10 mm x 1.50
Exterior Finish
Nickel
Manufacturer Grade
Grade 8
Head Style
Hex
Fastener Type
Hexagon Bolt
Brand
Stage 8
Thread Type
Metric
Item Diameter
10 millimeters
Thread Style
Right Hand
Item Hardness
Grade 8
F
$59.89
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