; Adapts Holley® No. 4412 style to a 4150 4 bbl. square flange manifold; Provisions for position adjustment on the manifold for improved tuning*Not legal for sale or use on pollution-controlled vehicles
- Adapts Holley No. 4412 style to a 4150 4 bbl. square flange manifold
- Provisions for position adjustment on the manifold for improved tuning
- Not legal for sale or use on pollution-controlled vehicles