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ARP 1545401 2-Bolt Main Stud Kit
✅ In stock
F
Grade
Analysis Confidence
90%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 3, 2026 8:04 PM · 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.
- 📉Pricing has not dipped this low in roughly six months, placing this offer among the better deals in that window.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0.92/28
Recent Value
2.04/22
Market Standing
12.63/20
Deal Strength
10/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
Amazon.com
🚚 Shipping
Free Shipping
Product Details
✓Main studs are designed to meet the exacting standards and demands of professional engine builders
✓Manufactured from 8740 chrome moly steel
✓Rated at 200,000 PSI, which is considerably stronger than Grade 8 hardware
✓Rolled J-form threads are 1000% stronger than other threads
✓Main studs are recommended over main bolts for a number of reasons, including more accurate torque readings and easier engine assembly
⚙️ Specifications
Material
Alloy Steel
Thread Size
M12
Exterior Finish
Painted
Manufacturer Grade
Grade 8
Head Style
Flat
Fastener Type
Stud Bolt
Brand
ARP
Thread Type
J-form
Item Diameter
12.7 millimeters
Thread Style
Right Hand
Item Hardness
Grade 8