Jet boat A impeller, hydro or flat bottom river racer. Use tunnel ram. 4 speed or 4500 stall in 460c.i. and 5000 stall in 429. 11:1+ compression. Catalog User 1
2600-3000 lbs. car, 11.5:1+ compression with 4500+ stall. Excellent for 427-454c.i. Jet boat with B impeller. Flat and hydro. Bracket race. Use tunnel ram.CatalogUser 1