Nason Cylinder Head Bare - Performance Upgrade for Classic Vehicles

Unlock the true power of your classic Holden with the Nason Cylinder Head Bare. Specifically designed for performance enthusiasts, this set of two cylinder heads boasts a high-performance alloy construction and a 64cc combustion chamber that maximizes airflow and efficiency to enhance your engine's capabilities.

Key Features:

• Performance-Oriented Design: Engineered with an alloy construction aimed at optimizing your vehicle's performance.
• Angle Plug Configuration: Designed for an angle plug orientation, making it the perfect choice for a variety of setups.
• Spark Plug Compatibility: Features 14mm x 1.25mm threads, with gasket seat and 19mm reach; compatible with NGK BCP5E style spark plugs.
• Versatile Inlet Manifold: Suitable for both early (12 bolt) and late (8 bolt) configurations, ensuring seamless integration into your setup.
• Adaptable Valve Covers: Fits both early perimeter bolt and late center bolt valve covers, offering flexibility in design.
• Requires Screw In Rocker Studs and Guide Plates: Designed for high-performance applications, prepare for enhanced engine durability.

Flow Data:

Push your performance boundaries with impressive flow data at 28\" (CFM) utilizing 2.020\" intake and 1.600\" exhaust valves:

• Intake Flow:
• @.200\" = 120 CFM
• @.300\" = 184 CFM
• @.400\" = 214 CFM
• @.500\" = 232 CFM
• @.600\" = 239 CFM
• Exhaust Flow:
• @.200\" = 60 CFM
• @.300\" = 120 CFM
• @.400\" = 141 CFM
• @.500\" = 155 CFM
• @.600\" = 164 CFM

Specifications:

• Combustion Chamber Volume: 64cc
• Intake Runner Volume: 195cc
• Exhaust Runner Volume: 74cc
• Intake Port Size: 2.090\" x 1.161\"
• Exhaust Port Size: 1.401\" x 1.421\"
• Intake Valve Diameter: 2.020\" / 51.30mm
• Exhaust Valve Diameter: 1.600\" / 40.64mm
• Valve Guide Material: Manganese Bronze
• Maximum Valve Spring Diameter: 1.550\" / 39.37mm

Compatibility:

This performance cylinder head is designed to fit a range of classic Holden vehicles, including:

• Holden Monaro HG 5.7L
• Holden Monaro HQ 5.7L
• Holden Monaro HT 5.7L
• Holden Statesman HQ 5.7L

Enhance your engine's performance and reliability with the Nason Cylinder Head Bare. Perfect for restorations, upgrades, or custom builds, this component is not just a part; it's an investment in your vehicle's future performance. Don't settle for less when you can achieve extraordinary with Nason. Order yours today and experience the difference!