Dart 21452400-55 Severe-Duty Titanium Intake Valve:

• 2.400" head diameter and .344" stem diameter optimized for Big Block Chevy (BBC) applications
• +.600" overall length accommodates high-lift camshaft and rocker arm geometries
• Manufactured from severe-duty titanium alloy for exceptional strength-to-weight ratio
• Swirl-polished head and precision backcut design improve airflow without sacrificing durability
• Hard-chrome stem finish enhances wear resistance under extreme racing conditions
• Designed for high-RPM, high-lift valvetrain setups in competition-grade engines

Dart 21452400-55 Severe-Duty Titanium Intake Valve Notes:

• Intended for use in high-performance or racing BBC cylinder heads
• Compatible with aftermarket valve springs and retainers designed for +.600" length valves
• Not suitable for stock valvetrain configurations without matching components
• Titanium construction requires compatible guides and seat materials
• Backcut design is optimized for flow without compromising valve head strength