
4-1 Style Modified Headers
- IMCA/UMP Modified Header
- 604 Small Block Chevy Crate Motor
- Collector Style: 4 to 1
- Collector Length: 9 in. w/10 in. Turn Down
- Primary Tube: 1 5/8 x 1 3/4 in. Single Step
- Fits: Bandit, Lethal, Lightning (2009-older), Longhorn, MB Custom, Sh
4 to 1 Style Collectors
Beyea 4-1 Collector Style Dirt Modified Headers typically produce more top-end power. Tuned and tested through the years 4-1 style collector headers provide perfect the power curve to produce a broader range of power. Laser-cut 5/16 in. flanges provide a solid mounting surface to ensure good support and seal. The paint applied to these headers is a temporary coating only and is designed to burn off during use. A high-temperature paint or high-temperature coating is recommended. Let your engine breathe with Beyea. IMCA and UMP accepted.
Note: Header bolts not included