DJ Rock HGS643 Engine Cylinder Head Gasket Set

Engine Cylinder Head Gasket Set for Maxima and I30

DJ Rock HGS643 is a premium engine cylinder head gasket set for top-end service on select 2000-2001 Nissan Maxima and 2000-2001 INFINITI I30 applications. Built around a 93 mm cylinder bore diameter, it provides the sealing components needed for cylinder head replacement and related upper-engine work.

Key Features

• Premium-grade engine cylinder head gasket set
• 93 mm cylinder bore diameter
• Engineered for cylinder head-to-block sealing
• Uses non-asbestos sealing materials
• Includes gaskets and seals for upper-engine reassembly

Detailed Description

DJ Rock HGS643 is a head gasket set for 2000-2001 Nissan Maxima and 2000-2001 INFINITI I30 models with the listed engine application. It is built for complete top-end engine service, helping restore sealing at the cylinder head, intake, exhaust, valve cover, and related sealing points. The set uses a mix of modern sealing materials, including MLS, graphite, non-asbestos composite, rubber, silicone, EPDM, and Viton valve stem seals where applicable. This part cross-references Monroe Shocks & Struts (e.g., 210078) for the same application. HGS643 is also referenced by part number HGS643 for catalog and search matching.

What It Helps Address

• Head gasket leakage between the cylinder head and engine block
• Coolant loss from upper-engine sealing surfaces
• Oil seepage around valve cover and related gasket areas
• Combustion pressure loss from compromised head sealing
• Intake or exhaust manifold sealing issues during head service

Installation Notes and Tips

Confirm engine code, bore size, and gasket surface condition before installation. Clean all mating surfaces thoroughly and inspect the cylinder head for warpage or damage before reassembly. Follow the factory torque sequence and torque specifications exactly, and replace torque-to-yield head bolts rather than reusing them. HGS643 should be matched to the exact vehicle application listed for proper fitment.

Quality Assurance

DJ Rock HGS643 is manufactured to meet or exceed OEM quality standards using non-asbestos materials for professional engine repair work. The set is built for accurate sealing performance in the specified Nissan Maxima and INFINITI I30 applications.