Schoenfeld Dirt Late Model Headers - SB Chevy Crate Motor - 1-5/8"-1-3/4" Tubes - 3" x 8" Collectors 42050R 498 in - Duration 283/303

498 in - Duration 283/303 - 107 LSA - 1700-5500 RPM - Pontiac V8 51-600-11

Legend Plus

Ignition Module GM HEI #MOR97857

Made from a special composite material with a spiral wire reinforcement

00 and 7/16-20 in Thread

Schoenfeld Dirt Late Model Headers - SB Chevy Crate Motor - 1-5/8"-1-3/4" Tubes - 3" x 8" Collectors 42050R 498 in - Duration 283/303Schoenfeld's headers for small block Chevy powered dirt late models have long primary tubes for maximum torque and horsepower. Available in traditional and stepped tube design. Stepped tubes increase exhaust velocity, horsepower and torque. Most headers are available in standard or spread exhaust port. Headers are also available for crate motor applications. Started in 1974, Schoenfeld is known for custom fabricated headers for all forms of circle