Nason Assembled Cylinder Head – Performance Reimagined
Unlock the full potential of your Holden engine with the Nason Assembled Cylinder Head. Designed for performance enthusiasts, this alloy cylinder head offers an exceptional blend of power and precision, making it an ideal upgrade for those looking to supercharge their vehicle’s capabilities.
Key Features:
- Complete Assembly: This cylinder head comes fully equipped with everything you need for installation, including:
- Cylinder Head
- Inlet Valves (2.020\")
- Exhaust Valves (1.600\")
- Valve Springs
- Valve Spring Retainers
- Valve Spring Seats
- Valve Collets
- Valve Stem Seals
- Screw In Studs
- Guide Plates
- Impressive Flow Data: Crafted for maximum airflow, the Nason Cylinder Head delivers outstanding performance metrics:
- Intake Flow @ 28\" (CFM):
- @.200\" = 120
- @.300\" = 184
- @.400\" = 214
- @.500\" = 232
- @.600\" = 239
- Exhaust Flow @ 28\" (CFM):
- @.200\" = 60
- @.300\" = 120
- @.400\" = 141
- @.500\" = 155
- @.600\" = 164
- Precision Specifications:
- Combustion Chamber Volume: 64cc
- Intake Port Volume: 195cc
- Exhaust Port Volume: 74cc
- Spark Plug Style: Straight (14mm x 1.25mm x 19mm)
- Valve Angle: 23 Degrees
- Durable Construction: Made with stainless steel valves and high-performance Viton valve stem seals to ensure longevity and resistance against wear.
Compatibility Information:
This assembled cylinder head is specifically designed for the following vehicles:
- Holden Monaro HG 5.7L (2 Required for Full Set)
- Holden Monaro HQ 5.7L (2 Required for Full Set)
- Holden Monaro HT 5.7L (2 Required for Full Set)
- Holden Statesman HQ 5.7L (2 Required for Full Set)
Additional Specifications:
- Valve Spring Diameter: 1.437”
- Valve Spring Installed Height: 1.800”
- Valve Spring Pressure @ 1.800”: 105lbs
- Valve Spring Pressure @ 1.225”: 300lbs
- Valve Maximum Lift: 0.575”
- Guide Plate Pushrod Size: 5/16”
- Rocker Stud Size: 7/16”
- Compatible Intake Gasket: Felpro 1205
- Compatible Exhaust Gasket: Felpro 1404
Upgrade Your Performance Today!
Don’t settle for less when it comes to your engine's performance. With Nason's Assembled Cylinder Head, you're not just upgrading a part; you’re enhancing your entire driving experience. Elevate your Holden's performance and reliability with a product trusted by motor enthusiasts. Order yours today and feel the difference!