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ARP 2543708 Pro Series 12-Point Cylinder Head Bolt Kit
✅ In stock
F
Grade
Analysis Confidence
73%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 15, 2026 7:05 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.
- 📉It has been quite a while since a more competitive price was available, lending today's offer solid comparative value.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
5/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
Amazon.com
🚚 Shipping
Free Shipping
Product Details
✓Professional Series cylinder head bolts are premium fasteners for competition components
✓Rated nominally at 200,000 psi, which is substantially stronger than Grade 8 hardware
✓Wide area flanged head eliminates the need for valve train removal to facilitate cylinder head retorquing
✓Features reduced wrenching 12-point style heads
✓Comes complete with hardened parallel-ground washers
⚙️ Specifications
Material
Alloy Steel
Thread Size
1/2"-16 UNC, 7/16"-16 UNC
Exterior Finish
Painted
Manufacturer Grade
Grade 8
Head Style
Flat
Color
Black
Fastener Type
Standard
Brand
ARP
Thread Type
Unified
Thread Style
Others
Item Hardness
Grade 8