ARP Cam Tower Bolt Kit

Multiple DSM/Evo Fitments 2011–2025 Mitsubishi 4G63

Part #: 107-1003

Overview

The ARP Mitsubishi 4G63 Cam Tower Bolt Kit is a high-quality solution designed to ensure precise and reliable camshaft timing for your Mitsubishi engine. Whether you're building a performance street car, a dedicated track vehicle, or an off-road machine, this bolt kit provides the durability and security needed to maintain optimal valve timing under demanding conditions. ARP's reputation for manufacturing top-tier fasteners means you'll get a product that not only fits perfectly but also enhances the overall integrity of your engine's valvetrain.

Installing this kit helps eliminate camshaft timing concerns, giving you peace of mind during spirited driving or high-rev applications. The kit is suitable for a range of Mitsubishi DSM and Evolution models, making it a versatile upgrade for enthusiasts looking to improve engine reliability and performance. With ARP's commitment to quality, you can trust that these bolts will withstand the stresses of high-performance operation while maintaining consistent cam timing.

Key Features

The ARP Mitsubishi 4G63 Cam Tower Bolt Kit incorporates several advanced features designed to maximize performance and ease of installation:

• Manufactured from high-strength alloy steel, these bolts offer increased material strength over OEM fasteners, helping to overcome valve train harmonics and stress during high RPM operation.
• Oversized bolt head flange provides secure cam button retention, ensuring the camshaft gear remains properly aligned and engaged under load.
• Reduced socket head size facilitates easier installation and removal, especially in tight engine bays or when working with other engine components.
• Precision-machined threads and surface treatments promote excellent torque retention and corrosion resistance, extending the service life of the fasteners.
• Designed to meet or exceed OEM specifications, these bolts deliver a reliable, high-performance upgrade for your engine's timing system.
• Available in both High Performance and Pro Series options, allowing you to choose the level of durability and performance that best suits your application.

Construction & Design

The ARP cam tower bolts are crafted from premium alloy steel, carefully heat-treated to achieve optimal strength and toughness. The oversized bolt head flange not only enhances retention but also distributes clamping force evenly across the cam gear, reducing the risk of gear slippage or damage. The reduced socket head size is engineered for ease of installation, enabling technicians and enthusiasts to work efficiently even in confined spaces. Each bolt is precision-machined to exact specifications, ensuring a perfect fit and consistent performance across multiple applications.

Installation & Fitment

The ARP Mitsubishi 4G63 Cam Tower Bolt Kit is designed for straightforward, bolt-on installation. No cutting, drilling, or complex modifications are required. The kit includes all necessary fasteners for your specific application, ensuring a hassle-free upgrade. Basic hand tools and torque specifications provided by ARP should be followed to achieve proper clamping force and secure fitment. This kit is suitable for both professional mechanics and experienced DIY enthusiasts seeking a reliable upgrade to their engine's timing components.

What's Included

• Complete set of high-strength alloy steel cam tower bolts
• Installation instructions

Ideal For

• Performance Mitsubishi engine builds
• High-revving street and track cars
• Enthusiasts seeking increased valve train reliability
• Engine rebuilds requiring upgraded fasteners