The Captain's Choice 8.1L HO is the most powerful engine in Crusader's product line. The 8.1 liter General Motors block produces 425 horsepower and is an ideal choice for high performance applications. The engine includes numerous premium marine engine features. Crusader backs the 8.1L HO with a two year limited warranty and membership in the Captain's Club. Please download the 8.1L High Output brochure for complete features and specifications.