ARP 4303507 starter bolts in stainless polished finish, ideal for GM engines and performance builds.
ARP 4303507 starter bolts in stainless polished finish, ideal for GM engines and performance builds.

ARP 4303507 Starter Bolt Kit – 4.450 in Stainless Hex Head, GM/Chevy, Pair

Overview Meet the ARP 4303507 Starter Bolt Kit, a genuine ARP component designed to meet the needs...
Vendor: ARP
Availability: In stock
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ARP 4303507 starter bolts in stainless polished finish, ideal for GM engines and performance builds.

ARP 4303507 Starter Bolt Kit – 4.450 in Stainless Hex Head, GM/Chevy, Pair

£34.45
ARP 4303507 starter bolts in stainless polished finish, ideal for GM engines and performance builds.

ARP 4303507 Starter Bolt Kit – 4.450 in Stainless Hex Head, GM/Chevy, Pair

£34.45
Description
Description
x

Overview

Meet the ARP 4303507 Starter Bolt Kit, a genuine ARP component designed to meet the needs of GM and Chevrolet applications. The kit includes a pair of starter bolts that are 4.450 inches long, feature a hex head for easy tightening, and come in a polished stainless finish for a clean, professional appearance in the engine bay.

Key specifications

  • Starter Bolt length: 4.450 inches
  • Hex head design for simple, precise tightening
  • Material: stainless steel with a polished finish
  • Compatibility: GM / Chevrolet applications
  • Part number: 4303507
  • Includes: 2 bolts

What you receive and packaging details

  • Package weight: 0.35 pounds
  • Package dimensions: 23.876 L x 2.032 H x 14.732 W cm
  • Brand: ARP (Automotive Racing Products)
  • Manufacturer part number: 4303507

Real-world use cases and benefits

In typical automotive projects, these stainless bolts provide a robust option for clean installation, corrosion resistance, and straightforward replacement during maintenance or upgrades. They are well suited for GM engine bay connections where a longer, reliable bolt is needed, and they offer a polished appearance that helps maintain a tidy engine compartment. While results can vary by application, the combination of stainless construction and ARP engineering can contribute to dependable fastener performance in demanding environments.

Why choose ARP for your build

Choosing ARP means opting for a trusted name in automotive hardware. The 4303507 bolts deliver a balance of durability, finish quality, and compatibility with GM/Chevrolet systems, making them a practical option for both restoration work and performance-oriented projects. Consider them as part of a thoughtful upgrade path that emphasizes reliable fasteners without compromising on appearance or fit.

FAQ

Q: What is included in the ARP 4303507 Starter Bolt Kit?

A: A pair of 4.450 in stainless, hex-head starter bolts designed for GM applications.

Q: What are the key material and finish details of ARP 4303507 bolts?

A: Stainless steel with a polished finish for durability and corrosion resistance in automotive use.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

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When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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