ARP 134-1003 cam bolt kit packaging highlights premium quality for LS builds.
ARP 134-1003 cam bolts on bench demonstrate precise threading and high preload potential.
ARP 134-1003 LS engine fitment image shows secure timing gear register benefits.
ARP 134-1003 3-bolt design close-up emphasizes improved clamping and harmonic resistance.
ARP 134-1003 timing gear close-up highlights reliable register under high RPM.
ARP 134-1003 high preload bolts macro shot suggests durability for performance LS builds.
ARP 134-1003 cam bolt kit packaging highlights premium quality for LS builds.
ARP 134-1003 cam bolts on bench demonstrate precise threading and high preload potential.
ARP 134-1003 LS engine fitment image shows secure timing gear register benefits.
ARP 134-1003 3-bolt design close-up emphasizes improved clamping and harmonic resistance.
ARP 134-1003 timing gear close-up highlights reliable register under high RPM.
ARP 134-1003 high preload bolts macro shot suggests durability for performance LS builds.

ARP 134-1003 High Performance Cam Sprocket Bolt Kit (180,000 psi) for Chevrolet LS Engines – All Models

Premium reliability for LS builds The ARP 134-1003 Cam Bolt Kit is engineered to meet the demands...
Vendor: ARP
Availability: In stock
£29.40
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ARP 134-1003 cam bolt kit packaging highlights premium quality for LS builds.

ARP 134-1003 High Performance Cam Sprocket Bolt Kit (180,000 psi) for Chevrolet LS Engines – All Models

£29.40
ARP 134-1003 cam bolt kit packaging highlights premium quality for LS builds.
ARP 134-1003 cam bolts on bench demonstrate precise threading and high preload potential.
ARP 134-1003 LS engine fitment image shows secure timing gear register benefits.
ARP 134-1003 3-bolt design close-up emphasizes improved clamping and harmonic resistance.
ARP 134-1003 timing gear close-up highlights reliable register under high RPM.
ARP 134-1003 high preload bolts macro shot suggests durability for performance LS builds.

ARP 134-1003 High Performance Cam Sprocket Bolt Kit (180,000 psi) for Chevrolet LS Engines – All Models

£29.40
Description
Description
x

Premium reliability for LS builds

The ARP 134-1003 Cam Bolt Kit is engineered to meet the demands of high RPM and high horsepower LS engines. It focuses on a strong clamping interface and precise timing gear registration, helping keep the cam and gear aligned under load and spirited driving conditions.

Compatibility you can count on

Designed to fit 4.8L, 5.3L, 5.7L and 6.0L LS engines, covering LS1, LS2, LS3, LS6, L99, LS4, LS9, LSA, and LQ4 variants. It’s ideal when upgrading from a factory single-bolt cam to a robust 3-bolt camshaft and timing gear set, providing a more secure foundation for performance upgrades.

  • Premium ARP cam bolts with increased preload to help ensure a positive timing gear register
  • Strengthened materials to resist valve train harmonics and stress in demanding applications

Performance-focused design

With a preload capability in the ballpark of 180,000 psi, these bolts are built to maintain clamping force over a wide range of operating conditions. This can translate to steadier gear engagement and reduced movement of the cam gear under high-load scenarios.

In practical terms, users may notice smoother timing gear engagement and more consistent cam timing during spirited driving or aggressive shifts. While results can vary with setup, the kit is designed to support durable LS builds and long-term reliability.

  • Upgrade path from factory single-bolt to a 3-bolt system for better retention
  • Robust backing from ARP’s engineering and quality control processes

What you get and how it helps

The kit provides the essential hardware for a straightforward upgrade. Each bolt is engineered to deliver repeatable torque and a secure register between the cam and timing gear, a detail many builders value in performance-oriented configurations.

FAQ

Q: What engines does the ARP 134-1003 kit fit?

A: Fits 4.8L, 5.3L, 5.7L, 6.0L LS engines including LS1, LS2, LS3, LS6, L99, LS4, LS9, LSA, and LQ4.

Q: What are the main benefits of upgrading to a 3-bolt cam kit?

A: Higher preload and a more secure timing gear register, helping resist valve train harmonics at high RPM for demanding LS builds.

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.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

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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