Speedmaster PCE281.2046 Ford Small Block 190cc Assembled Aluminum Cylinder Heads

The Speedmaster PCE281.2046 aluminum cylinder heads are engineered for Ford Small Block 289, 302, and 351 Windsor engines, delivering a significant performance upgrade over factory cast iron heads. These fully assembled heads feature 190cc intake runners and 62cc combustion chambers, optimized for hydraulic flat tappet camshafts in street and performance applications targeting 400-700 horsepower.

Key Specifications:

• 190cc intake runner volume for improved airflow
• 62cc combustion chamber volume
• Maximum valve lift: .550 inches
• Coil bind: .740 inches
• Valve spring pressure: 130 lbs @ 1.8 inches installed height (intake and exhaust)
• Closed seat pressure: 110 lbs
• Open seat pressure: 300 lbs
• Designed for hydraulic flat tappet camshafts

Construction and Features:

• Gravity die cast aluminum construction for superior strength and uniformity
• Lightweight design reduces overall engine weight compared to cast iron
• Smaller runner cross-sections increase air velocity for improved drivability and power
• Fully assembled and ready to install
• Complete with valves, springs, retainers, and seals

These cylinder heads utilize an advanced gravity die casting process that creates a more uniform and robust structure compared to traditional sand casting methods. The optimized port design balances airflow volume with velocity, making them ideal for street performance builds and weekend warriors. The 190cc runners provide excellent flow characteristics while maintaining good low-end and mid-range torque, perfect for street-driven Small Block Ford engines.

Backed by proven performance on the dyno and track, Speedmaster cylinder heads offer an affordable path to serious power gains for your Ford Small Block engine build.