Dodge Cummins Head Stud Kit - ARP - 12pt - 99-08. Purpose-built for 24V Cummins ISL 8.3/8.9L engines, this kit delivers dependable head retention for hard-working and tuned applications.

Replacing factory head bolts with ARP studs helps maintain consistent clamping across the gasket, supporting reliability under boost, heat, and heavy loads. The 12-point hardware allows easy torque access in tight spaces, and the included hardened washers distribute load evenly. Each component is precisely machined for fit and repeatable assembly. Designed for 1999–2008 Cummins ISL 8.3/8.9L 24V platforms.

Features

• ARP 12-point head stud system
• Aids head gasket retention under high cylinder pressure
• Precision-machined threads for consistent torque
• Includes studs, 12pt nuts, and hardened washers
• Engine fitment: 1999–2008 Cummins ISL 8.3/8.9L 24V

Questions about fitment or your build? Call us at 512-982-9393 (TX) or 562-981-6800 (CA). Our team is ready to help, and we offer professional installation and customization at our Austin, Texas and Los Angeles, California area locations.

Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.

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