ARP
ARP 12-Point Black Oxide Bolt 5/16-18 x 1.250 (5/pkg) — Engine Hardware
Roll over image to zoom in Click on image to zoom
ARP 12-Point Black Oxide Bolt 5/16-18 x 1.250 (5/pkg) — Engine Hardware
ARP

ARP 12-Point Black Oxide Bolt 5/16-18 x 1.250 (5/pkg) — Engine Hardware

SKU: ARP641-1250

About ARP ARP (Automotive Racing Products) makes the strongest fasteners ...Read more

Price:
$11.99
110 ENTRIES10X
Add To Cart
Checking fitment…
×

Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Ships FAST in USA

Guaranteed Low Price

GGCRACING Discount

Product Details

Product Description
Part Numbers
Sizing & Fit

About ARP

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

Premium ARP 12-Point Black Oxide Fastener Kit

Enhance the structural integrity of your engine with this 5-pack of ARP 5/16-18 x 1.250 12-point black oxide bolts. Designed specifically for high-performance applications, these bolts offer the perfect balance of strength, durability, and aesthetic appeal. The 12-point design is a hallmark of professional racing hardware, providing increased torque capacity and easier access in cramped engine compartments where standard hex heads might fail.

Why Builders Choose ARP Hardware

  • Enhanced Torque Capacity: The 12-point design allows for higher torque, ensuring a secure seal and stable assembly.
  • Durable Construction: Forged from high-grade alloys to prevent bolt stretch under heavy load.
  • Black Oxide Finish: A sleek, matte black appearance that resists corrosion and looks great in any build.
  • Perfect Fitment: 5/16-18 thread pitch and 1.250-inch length provide versatility for various mounting needs.
  • Convenient Pack: Includes 5 bolts, making it easy to complete specific sections of your engine assembly.

In the world of high-performance engines, every detail matters. Using high-quality fasteners like these ARP bolts ensures that your hard work remains intact, even under the most demanding conditions. Whether you are a weekend warrior or a professional engine builder, you understand that reliable hardware is the foundation of a successful project. Trust the quality and heritage of ARP fasteners for your next build. Find all your essential engine hardware and performance parts at GGCRACING.

About ARP

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

Premium ARP 12-Point Black Oxide Fastener Kit

Enhance the structural integrity of your engine with this 5-pack of ARP 5/16-18 x 1.250 12-point black oxide bolts. Designed specifically for high-performance applications, these bolts offer the perfect balance of strength, durability, and aesthetic appeal. The 12-point design is a hallmark of professional racing hardware, providing increased torque capacity and easier access in cramped engine compartments where standard hex heads might fail.

Why Builders Choose ARP Hardware

  • Enhanced Torque Capacity: The 12-point design allows for higher torque, ensuring a secure seal and stable assembly.
  • Durable Construction: Forged from high-grade alloys to prevent bolt stretch under heavy load.
  • Black Oxide Finish: A sleek, matte black appearance that resists corrosion and looks great in any build.
  • Perfect Fitment: 5/16-18 thread pitch and 1.250-inch length provide versatility for various mounting needs.
  • Convenient Pack: Includes 5 bolts, making it easy to complete specific sections of your engine assembly.

In the world of high-performance engines, every detail matters. Using high-quality fasteners like these ARP bolts ensures that your hard work remains intact, even under the most demanding conditions. Whether you are a weekend warrior or a professional engine builder, you understand that reliable hardware is the foundation of a successful project. Trust the quality and heritage of ARP fasteners for your next build. Find all your essential engine hardware and performance parts at GGCRACING.

Customer reviews

No reviews yet. Bought this part? Tell other drivers how it fits and performs.

Recently viewed