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Premium Fasteners for Maximum Performance and Reliability
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World-Leading Fastener Technology by ARP
Engine hardware is often the most overlooked yet crucial aspect of engine performance and durability. While some fasteners can be reused during an engine rebuild, it's vital to replace critical components—such as connecting rod bolts, cylinder head studs, and flywheel fixings—with new, high-quality alternatives.
Our range of ARP fasteners is designed to meet the demands of high-performance engines. Manufactured from premium-grade alloy steels, ARP fasteners are engineered to handle the extreme stresses of performance applications.
Invest in ARP hardware to ensure unmatched reliability and maximum engine performance.
(18 PRODUCTS FOUND)
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ARP 5/16" ID Chamfer Washers - ARP 200-8585 | Hardened - Pack of 10
Upgrade your build with ARP Chamfer Washers, trusted by professionals and enthusiasts alike.
🛡️Buy with confidence — every kit we sell is verified as genuine ARP, not cheaper alternatives pretending to be the real thing.
⚙️ARP Washer - Technical Specification
Dimensions:
- Inner Diameter (ID): 0.3125" (7.94mm)
- Outer Diameter (OD): 0.550" (13.97mm)
- Thickness: 0.095" (2.41mm)
- Chamfer: Yes
Properties:
- Hardened: Yes
- Material: Premium Chrome Moly
- Finish: Black Oxide
Application:
- Cylinder heads, Main Studs, General High-Load Fastening
Package Quantity:
- Sold in sets of: 10 washers
✅Additional Notes:
- Perfect for race, high performance & street applications
- Known for exceptional durability and high load capacity
- Affordable upgrade
What's included in the package?
- ARP 5/16" ID Chamfer Washers - ARP 200-8585 | Hardened - Pack of 10
ARP 5/16" ID Flat Washers - ARP 200-8452 | Hardened - Pack of 10
Upgrade your build with ARP Flat Washers, trusted by professionals and enthusiasts alike.
🛡️Buy with confidence — every kit we sell is verified as genuine ARP, not cheaper alternatives pretending to be the real thing.
⚙️ARP Washer - Technical Specification
Dimensions:
- Inner Diameter (ID): 0.3125" (7.94mm)
- Outer Diameter (OD): 0.650" (16.51mm)
- Thickness: 0.075" (1.91mm)
- Chamfer: No
Properties:
- Hardened: Yes
- Material: Premium Chrome Moly
- Finish: Black Oxide
Application:
- Cylinder heads, Main Studs, General High-Load Fastening
Package Quantity:
- Sold in sets of: 10 washers
✅Additional Notes:
- Perfect for race, high performance & street applications
- Known for exceptional durability and high load capacity
- Affordable upgrade
What's included in the package?
- ARP 5/16" ID Flat Washers - ARP 200-8452 | Hardened - Pack of 10
ARP 7/16" ID Chamfer Washers - ARP 200-8539 | Hardened - Pack of 10
Upgrade your build with ARP Chamfer Washers, trusted by professionals and enthusiasts alike.
🛡️Buy with confidence — every kit we sell is verified as genuine ARP, not cheaper alternatives pretending to be the real thing.
⚙️ARP Washer - Technical Specification
Dimensions:
- Inner Diameter (ID): 0.438" (11.11mm)
- Outer Diameter (OD): 0.812" (20.62mm)
- Thickness: 0.120" (3.05mm)
- Chamfer: Yes
Properties:
- Hardened: Yes
- Material: Premium Chrome Moly
- Finish: Black Oxide
Application:
- Cylinder heads, Main Studs, General High-Load Fastening
Package Quantity:
- Sold in sets of: 10 washers
✅Additional Notes:
- Perfect for race, high performance & street applications
- Known for exceptional durability and high load capacity
- Affordable upgrade
What's included in the package?
- ARP 7/16" ID Chamfer Washers - ARP 200-8539 | Hardened - Pack of 10
(18 PRODUCTS FOUND)
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